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  1. 2nd order differential equation
  2. Intro. to Differential Equations
  3. differential equations
  4. help with power series solution
  5. partial differentials
  6. Spring Damping
  7. Use of curl of gradient of scalar
  8. Laplace Transforms
  9. I can't do these diff. eqns.
  10. differentiating mult-variable equation
  11. True application of Diff Eq
  12. Vector Differential Equation
  13. second differential equations
  14. System of PDEs...
  15. sytem of diff eq
  16. Solve this ODE
  17. Can Anybody Solve This Equation ??
  18. Non-Linear ODE’s
  19. Deriving the heat equation
  20. Numerical RK4 integrator help
  21. Diff eq
  22. Functional Differential Eqn.
  23. Finding solutions to equations of motion
  24. Stochastic Partial Differential Equation Averaging.
  25. Lagrangian method for equation of motion
  26. Differentiate y=x sinx cosx
  27. "outer" differentiation ?
  28. how do i differentiate this?
  29. Please help!
  30. About Feynman-Kac equivalence between PDE and SDE
  31. Nonlinear system of differential equations
  32. A variational problem...
  33. Solving the Wave Eqt Using Fourier Series- please help!
  34. A tricky differential equation
  35. Radio Filter Problem
  36. help
  37. Differential Equations book
  38. help with reduction method.
  39. Inhomogeneous Initial, Boundary Value Theorem Proof
  40. Percetange of lefties in mathematics?
  41. What is the solution of this?
  42. Why is there no symbol for partial integration?
  43. How do I determine the interval of existance of a DE?
  44. Bit hazy on reduction of order
  45. help with problem
  46. Numerical solutions to differential equations
  47. challenging integrals and derivatives to try
  48. Taylor Series
  49. Planck's law of radiation??
  50. All separable equations are exact?
  51. solving a 2nd order DE
  52. Laplace transform: where am I messing up?
  53. Taylor series prob
  54. Linear transformations?
  55. Blasius numerical solution?
  56. How do you solve this differential equation?
  57. Inverse Laplace Transformation Problem
  58. Show that reaction-diffusion PDE is linear
  59. word problem
  60. spring problem stuck
  61. 3rd order nonlinear ODE
  62. Shooting method
  63. I need help asap
  64. Laplace
  65. Laplace little differet one
  66. Two ODE proofs
  67. Fourier Series of sin (pi*t)
  68. Enquiry
  69. ? - infinitely differentiable solutions to initial value problems
  70. Question Regarding Initial Conditions.
  71. laplace last one please check
  72. Help needed!
  73. Need Serious Help
  74. plz help me this Inverse Laplace Transformation question
  75. Laplace Transformation help~
  76. DE: x*(2x-y)*y'=y^2+(x-6)*y+9x
  77. need this DE paper
  78. Laplacian in Spherical Shell
  79. 1D wave equation with gravity
  80. Inverse Laplace Transform
  81. What is the solution of this? 2nd part
  82. Troublesome Equation
  83. Which method for this DE?
  84. Proof need helps
  85. laplace
  86. im stuck
  87. confusing
  88. 2^x derivitive
  89. Euler method
  90. Help me please!!!!!!!
  91. Quick implicit diff. question
  92. Finding if a solution exists
  93. Please Help i am stumped
  94. solving a partial DE
  95. Slope fields
  96. Only a Mathematician Can Solve This Equation
  97. Helmholtz Equation in a Square
  98. Fourier Sine Transform
  99. Power series solution for 1st-order ODE
  100. More power series: 2nd-order ODE
  101. 2nd order DE, is there a way to solve this without series?
  102. Nullclines
  103. Convolution Method
  104. partial diff eq
  105. Am looking for minimum...
  106. System of Differential equations with a singular coefficient matrix, help?
  107. 2nd Order DE - Power series
  108. Continuity equation question
  109. Deceptively Difficult Physics Integration Problem (Restorative Forces)?
  110. Do you know?
  111. Good book on PDE
  112. SHM Calculus Twister
  113. 2nd order coupled non-linear DE's
  114. Heat equation in a sphere surface
  115. Help for Schrodinger's Equation
  116. the wave equation
  117. Partial Differential Equation
  118. Green inverse problem in Differential equation...
  119. An Adequate Proof?
  120. solution to 2nd O.D.E. using power seris
  121. 3rd order non-linear differential eqn
  122. laplace limits
  123. Navier-Stokes
  124. phase spaces
  125. Fourier coefficient
  126. Having trouble with Laplace Transform for DiffEQ
  127. Green's functions solution to Poisson's eqn (or something similar)
  128. Working on Constructing Equations
  129. A challenge Question on Inverse Laplace...
  130. integration by parts
  131. How does differential equation work?
  132. How to solve this 2nd differential eq?
  133. integration by parts
  134. Rotor
  135. u-du or parts
  136. Developing equation for specific wave
  137. exact de’s
  138. Having a hard time with 2 implicit equations
  139. [MUST READ] This forum is not for homework questions.
  140. Reducing to First-Order Equation
  141. Does Homogeneous = Separable?
  142. Is there an easy trick to this (getting into form)
  143. Homogeneous equation
  144. Problem on Inverse Laplace with Unit Step
  145. Need Equation/graphing help
  146. coffee and milk :) (cooling/heating problem)
  147. Green's function expansion in a set of eigenfunction
  148. solution to the exact differential equation
  149. Finite Element Method?
  150. heat equation
  151. DE Identifying/Solving Homo/Bernoullis/Exact/etc
  152. How to use matrices to solve systems of ODEs?
  153. Problem with an IVP
  154. is this theorem true?
  155. Material Differential-Equation
  156. Apparently this 2nd-order ODE has 3 solutions??
  157. Ploting zero order Bessel function..
  158. Can you solve this equation?
  159. wave eqn with initial functions odd
  160. Could use a little advice here, with a 2nd order ODE
  161. solve Uxx-3Uxt-4Utt=0 (hyperbolic)
  162. This should be a simple problem to solve but im just not getting it...
  163. classify this diff eq
  164. PDEs and shock waves
  165. Areas and distances
  166. Laplace Transform
  167. Predator vs. prey -- trouble
  168. Applications Of differential Equations In Physics
  169. solving differential equation with laplace transform
  170. Reducing 2nd order to 1st order type question
  171. Integration
  172. Boundary Value Problem
  173. General Solutions of 2nd Order Linear Homogeneous Ordinary D.E.s
  174. Can anyone see what's wrong with my solution..
  175. Logistics
  176. Homework question
  177. Multiphysics PDE solvers with solution dependent domains
  178. Heat Propagation
  179. Differential Homework Questions
  180. Related Rates
  181. Puzzling paradox
  182. Numerical resolution of 2nd order non-linear differential equation
  183. Textbooks
  184. Theory of ODE
  185. Runge Kutta 4: problems in application in computer simulation
  186. Hard diff-eq
  187. How do you find the general solution of differential equations?
  188. Messed up my TI-89 somehow, don't want to reset, any suggests for {}??
  189. crazy optimization/Lagrange questino
  190. Help with Initial Value Problems
  191. Ok, need a little help in a couple of areas (2nd order w/forcing terms)
  192. Quick Harmonic Motion problem (got most of it solved)
  193. Second Order ODE
  194. need help with nonlinear 2nd order DE
  195. nonlinear coupled differential equation
  196. integration problem
  197. A Tricky Problem
  198. Torricelli's theorem
  199. Solutions of D.E - Bessel Function
  200. Meaning of the Differential
  201. Solving by seperation of variables.
  202. Lost on eigenvalues
  203. Homework help with mixture problem
  204. ropewalk equations
  205. Need some help with nonlinear integration
  206. Meshfree & EFG methods
  207. An Exact Equation
  208. System of differential equations - a big problem solving it
  209. velocity of the solution of a diff. eq.
  210. Linear DE help.
  211. Sturm Liouville and Self Adjoint ODEs
  212. A Competing Species Model
  213. Coupled First order PDEs
  214. A few problems with the operator method.....
  215. Heaviside????? HELP
  216. Unique solutions
  217. Attracting Heteroclinic Cycles.
  218. Limes for an unknown solution
  219. A differential equation
  220. Euler Equation please help
  221. differential equation
  222. Tangent Problem..Its givin me a really really bad headache
  223. Convolution Laplace Transform
  224. Applying Initial Conditions
  225. What is a differential equation and what use do they have?
  226. Linear ODE Systems in Numerical Methods.
  227. System Help
  228. linear ode with variable coefficient
  229. Non Linear 4th order ODE
  230. Euler's method
  231. Best Books for Ordinary Differential Equations
  232. Need Help - Exact Integrating Factor?
  233. ::sigh:: What now?
  234. Laplace Transform Help
  235. Anyone can answer my question, please help
  236. Diff-Eq Prep
  237. PDE in H^-1
  238. Length Integral Problem
  239. Falling Bodies with air resitance
  240. Separation of Variables
  241. understanding differential equations "backwards"
  242. Lineary DE in Kinematics
  243. differentiation of fractional and negative powers
  244. Question on integration
  245. ODE trouble
  246. Quick question
  247. differentiation
  248. Frobenius method with imaginary powers
  249. Helping out a friend..or at least trying to
  250. Symmetry Analysis of Partial Differential Equations
  251. symplectic runge kutta for hamiltonian system
  252. wave equation for a string
  253. Indicial equation to Legendre's equation
  254. Another question dealing with Frobenius method
  255. Action of Laplacian Operator
  256. inexact/exact differentials
  257. What's the difference between initial conditions and boundary conditions?
  258. Having the Hardest Time
  259. Problem with Complex Second Order Equations
  260. Easy way to demonstrate the accuracy of Euler's Method
  261. Green,s inverse problem...
  262. An integral equation
  263. Problem with an ODE
  264. The Abel equation
  265. Dynamical systems proof - nonwandering set
  266. greens function
  267. Help me with Linear equation pls ~
  268. An open ended ODE problem
  269. Hadamard regularization in BIE
  270. Inverse Rotation Function Question...
  271. Can someone help me?
  272. Solution for the Differential Equation
  273. Eigenvalue problem
  274. Wronskian problem
  275. Parabolic problems
  276. Existence of solution in Sturm-Liouville DE
  277. Fourth-order eigenvalue problem
  278. Singular Solution
  279. Soln to 2nd ODE nonhomgeneous
  280. Losing a solution of a 1st order ODE?
  281. Heavy ODE System
  282. forced vibrations w/ damping problem
  283. Differential Equations - Video Lectures
  284. constant or variable coefficient?
  285. video lecture
  286. Simple Question
  287. Finding quadratic curves
  288. Please help me!
  289. Homogeneous Differential Equations
  290. Parabolic PDE in curved space
  291. Power Series Solution (SE)?
  292. beam pde
  293. Please HELP!! Differential Equations
  294. Schlichting exact solution
  295. Variational Symmetries. . .
  296. homogeneous of degree n
  297. Hooke's Law
  298. Integrating this...
  299. Radio active decay
  300. Second-Order Homogeneous Linear Equation
  301. Dfq Prob, using Logisitc Equation
  302. Dfq, Prove
  303. Which method to use?
  304. How to solve these Differential Equations?
  305. Waves Equation
  306. Help With PDE
  307. How prove the maximum of 2 functions
  308. Variation of Parameters
  309. Integrating factor strategy
  310. Probably a really easy problem...
  311. Problem in newtonian gravity- 2nd order, integration problems
  312. Mixed derivative in DE
  313. First attempt at Diff Eq
  314. How to get a particular solution.
  315. intergrate power of sin
  316. Finding a homogeneous solution
  317. Differential equation
  318. Need help finding solutions to Diff eq
  319. Bessel's Equation Solution Proof
  320. substitution methods
  321. Poplation Problem
  322. partial differential equation
  323. Total derivative -> partial derivative
  324. How do I use RungeKutta 4/shooting method for this problem?
  325. ODE, step change, Heat transfer
  326. second order ODE (numerical)
  327. A pendulum revisited
  328. system of diff equations
  329. Hermitian Operator
  330. Dirac Delta Function
  331. laplace1
  332. laplace2
  333. Liapunov functions
  334. Solution of Initial Value Problems, Laplace Transform
  335. integral equation
  336. practical application of partial,simple differential equation
  337. Nonhomogeneous: Undetermined coefficients
  338. Differential Equations
  339. Laplace transform
  340. HELP please.
  341. Some help need please
  342. Fourier Series Question
  343. help with frobenius
  344. numerical DE: Theta method
  345. help with non linear problem
  346. a pendulum system and ODEs
  347. Complete Set
  348. Bacteria Growth Problem.
  349. Tricky Looking!
  350. Linear First Order D.E
  351. complex exponential (properties)
  352. Simple ODE, but how to approach?
  353. question
  354. What should be the particular solution?
  355. Difference equation help.
  356. Need help with Impulse function and unit step function at singularity
  357. difficult for me>>
  358. Desperate
  359. Functional solution
  360. Geodesic equation
  361. Lorenz Equations
  362. simple but i cant get it? Log derivative
  363. homogeneous and particular solution
  364. Laplace Initial Value Problem
  365. 1D Diffusion Equations (Numerical Computing) [kind of long]
  366. Piecewise
  367. Systems of second order ODE's
  368. Finite Difference Methods
  369. Bifurcation Diagram, quick help please
  370. derivative question (Help Please)
  371. Q: pde heat eqn u(x,t) history effect \int^t_0 d^2u/dx^2
  372. Resonance pde wave equation u(\phi,t) involving lagrange polynomials
  373. Laplace Transform
  374. reconstructing my notes
  375. dim of a pde
  376. i'm not seeing it
  377. Mixing problems
  378. ordinary differential equation
  379. Chemical Reactions
  380. Derivatives of Exponentials
  381. Non-Homogeneous Heat Equation Problem
  382. conceptual understanding
  383. Differential Equations...Help!
  384. application of partial derivatives
  385. A necessary condition for uniqueness
  386. I know the answer but I don't know why!
  387. second order DE
  388. reduction order does not reduce
  389. A new perspective for an ODE
  390. Homework
  391. How do we find Integrating factor for a General Diff equation
  392. Auxiliary Equation with Imaginary Roots
  393. [SOLVED] picard iteration
  394. DE Problem
  395. ln|0|=kx+c?
  396. Coupled first order differential equations
  397. Coupled first order differential equations
  398. Laplace equation
  399. Help with ODE
  400. Is differentiel equation needed ?
  401. Nonnlinear Differential Equation problem
  402. Solution to general elliptic equation
  403. Green similar problem...
  404. a question about Differential operator
  405. f(x)=sin x, centered at x=pi/2 Question
  406. change of variable dif equation problem
  407. Another change of variable problem..
  408. Exact Eq.
  409. Linear independent or dependent
  410. How do you graph this?
  411. Is there a reason
  412. Stochastic differential equacions
  413. PDE's: examples I can do, real equations... No.
  414. Differential equation question
  415. Initial Value Problem question
  416. Runge Kutta Method
  417. is this ODE separable?
  418. first order coupled differential equations
  419. another weird O.D.E. ...
  420. ODE Problem
  421. A*(Uxx+Uyy)-B(x)*Ux=0
  422. solution of this non-linear equation...
  423. Please help me to solve these 2 D.E
  424. Please Help me Split this Equation into 2 equations
  425. Existence and Uniqueness Theorem
  426. Ode
  427. Picard's Iteration
  428. Ode Again!
  429. how to reduce?
  430. I don't understand the case
  431. What strategy to use
  432. Riccati Method
  433. Why using series solution
  434. Functional Differential Equation
  435. Modeling problem
  436. Self-Adjoint Operator Question..
  437. Newton's Law of Cooling Problem
  438. Help Identifying Diagrams?
  439. integrating factors
  440. Lipschitz Continuity and Uniqueness
  441. Cfp: Isnn 2006, China
  442. Pde
  443. Prove the Power Rule
  444. Hamilton Jacobi equation,...
  445. semicircle problem
  446. Concavity of an integral function
  447. Differential equation book and topics
  448. Problem with Nonunique Solutions...
  449. A Differential Equation...
  450. Simple Taylor Series?
  451. Cauchy-euler equation...
  452. Types of DE
  453. periodicity
  454. An interesting PDE perhaps?
  455. definition
  456. PDE: If u is a solution to a certain bound problem, question about laplacian u
  457. bernoulli equation
  458. An interesting ODE perhaps?
  459. Green Functions
  460. a question in coupled differential equation
  461. What is a non-linear...
  462. differential operator
  463. general solution to the euler-cauchy equation
  464. same roots
  465. Understanding Einstein's Math
  466. Laplace's Eqn and Cauchy's Integral Formula
  467. Table of differential equations? Online?
  468. Fractional Differential Equations
  469. H value in runge kutta method 2nd order
  470. Laplace Transform and complex contours
  471. This might sound really stupid... (!)
  472. legendre polynomial
  473. Integral of Bessel function
  474. An interesting IDE
  475. help-higher order limit cycles
  476. Heat Equation
  477. Fractional differential equation..
  478. frobenius method?
  479. Differential equation problems
  480. looking for integrations for dummies
  481. Partial Differential equation problem..
  482. Why y=e^mx is taken as trial soln ?
  483. bessel equation
  484. linear dependence of bessel equation
  485. Asymptotic Reference
  486. Showing a diff. eq. has no solutions
  487. Fredholm Integral of Second Kind, Eigenvalues
  488. Inverse Fourier Transform of Bessel Functions
  489. derivatives of ker and kei
  490. Characterizing second order ODE
  491. Chocolate with 20% extra
  492. A strange, but very simple, differential equation
  493. exact solution for pendulum
  494. Brave ODE
  495. Asymptotic expansion
  496. Solving a PDE : 2 order in time, 4 order in space, mixed derivatives
  497. symplectic algorithm
  498. Set of equations
  499. Variable Seperable Solutions in PDEs
  500. limit cycle
  501. Sufficient model, or...?
  502. Discretization
  503. 13th International Conference on Neural Information Processing (ICONIP2006)
  504. Measure-preserving flow
  505. ode and pde-the major difference
  506. nonlinear first order
  507. exact diff equations
  508. PDE with initial condition
  509. Discriminant of a PDE
  510. Series solution to coupled nonlinear ODEs
  511. ODE: limit as parameters tend to 0
  512. Any analytical solutions to this second order nonlinear DE?
  513. Numerical Solution to ODE System - IVP or BVP?
  514. trivial solution method for constant coeff case
  515. Differential Equations: I hate them.
  516. Frisbee Dog Pursuit Problem
  517. Stability for quasi-linear ODE
  518. euler's method for systems
  519. Good text for a second course on ODES?
  520. Euler's Method question.
  521. Looking for Differential Equation Review
  522. What's your favourite type of differential equation...
  523. Diff Eq resources
  524. Differentiating Bessel Functions
  525. suspended ropes
  526. Linear Systems equillibrium
  527. nonlinear DE fro CM
  528. Problem with a Fourier Series
  529. Nonlinear Parabolic BVP: Possible Numerical Methods
  530. A question about a nonlinear oscillator
  531. Is this licit or valid?..
  532. Blasius Equation
  533. Solve this equation
  534. Asymptotic solution to a differential equation..
  535. Laplace Transofrm using IVP
  536. Diffusion equation and fick law
  537. 3rd Order differential eq.
  538. A system of two second order differential equations
  539. Fourier/Laplace transform for PDE
  540. Partial differential equation problem...
  541. is there a better way to do this?
  542. help
  543. What are the differences between laplace & fourier transform
  544. dirst order ODE's with x & expontials
  545. Why do I need to use an integrating factor before I translate to polar coordinates?
  546. Nonlinear Weistrass DE
  547. Pde
  548. Nonlinear Equation
  549. Stone-Weierstrauss
  550. Sturn-Liouville theory
  551. Pseudo arc-length continuation
  552. Nonlinear ODE Question
  553. Analytical solution for coupled ODE's
  554. Vibrating Spring Problem
  555. Asymptotic expansions and WKB solution..
  556. First order ode question
  557. Help With Senior Thesis
  558. reply required urgently
  559. Non-homogeneous Poisson solution
  560. Can all differential equations be derived from a variational principle?
  561. DE for Rope
  562. diffeq review book suggestions?
  563. The heat kernel
  564. Optimization Two Point BVPs
  565. Solitary wave motive/reason?
  566. characteristic equation
  567. Kinetics Modeling
  568. partial differntials with hypercomplex numbers
  569. Analycity of a function
  570. Solution to ODE
  571. finite element-rod elements what is the pde
  572. Unstable fixed point..........help me!!!...U may find interesting!!!
  573. Help with this difference equation..
  574. Perturbation vs Bifurcation Theory
  575. Leibniz notation, need clarification
  576. desperate with this ODE!
  577. First order Linear DE
  578. pde and fem simple example
  579. A 2nd Order ODE
  580. Asymptotic mathcing for a first order differential equation
  581. Definition of Asymptoticity to a Function
  582. plsss heLp Me tO sOLve this problem
  583. mixing problem involving 3 inlets and 2 outlet pipes
  584. ODE Solution bounds/estimates
  585. learning site
  586. Second order Autonomous Differential Equations
  587. "sum" over Eigenvalues....
  588. A good review before DE?
  589. Convection described by Lorenz's Equation Bifurcation
  590. Is it possible to solve this ODE out?
  591. hermetic matrix
  592. 2nd order non homogenous DE
  593. Help on Non-Linear ODE
  594. HOw to solve this?
  595. Linear Partial Differential Equation---Problem in solving??
  596. higher order General Method problem...
  597. How to Solve the Following D.E.?
  598. limiting population
  599. drumhead PDE
  600. integrator factor
  601. Hankel Transform.
  602. problem with EDO and solution y=x^a
  603. Substitution Methods and Exact Equations
  604. Numerically solving coupled DEs?
  605. solutions of the wave equation's little brother
  606. Linear operator..
  607. Existence of a local solution
  608. Partial differentiation?
  609. Partial differentiation question
  610. Eigenfunction expansion method in PDE solutions
  611. power series problem
  612. Non-linear boundary problems
  613. Arg(z)
  614. Homogeneous Problem
  615. Navier-Stokes cracked?
  616. Need to find Green Function to solve ODE
  617. Real life situation to a sin graph on position by time graph
  618. What're the condition for a "green function to exist?
  619. differential equation tank problem
  620. Meaning of this operator
  621. Reduction of order
  622. finding linearly independent solutions
  623. nonautonomous ode
  624. nonhomogeneous problems
  625. improper integral
  626. Analytic solution of this, Advice.
  627. Approach to 'double convolution'?
  628. solved PDE problems / website?
  629. method of characteristics
  630. a rather simple DE
  631. Guy's, new here can someone help with 2nd order Diff EQ?
  632. method of undetermined coefficients
  633. A set of nonlinear coupled ODE's
  634. Electrodynamic
  635. wronksian
  636. 2nd Order De Solution
  637. This problem is hindering my overall work !!!
  638. Fundamental matrices in inhomogenous problems?
  639. a PDE and Linear operator questions.
  640. Putnam
  641. Solving PDEs
  642. O.D.E. for a Building
  643. A Laplace Inverse Problem
  644. Mass Spring System
  645. Partial Differential Equation
  646. Differential equation??
  647. Derivation of Momentum Equation (Eulers Equation)
  648. Laplace transform...
  649. inverse laplace transform question
  650. Non-Seperable ODE Help
  651. a simple differential equation problem.
  652. Integrating Factors
  653. design opt
  654. Forming DE
  655. singular points in 3-dim space
  656. Second order differential
  657. Cramer's Rule
  658. Help in solving a second-order linear differential equation
  659. Recirculation Current in an Inductor
  660. Integration Help
  661. Extremely difficult System of Differentil Equations
  662. Require help
  663. Airy's Equation
  664. Elementary Differential Equations
  665. Inverse Fourier Sine Transform
  666. singular points
  667. Horrible (?) system of PDEs
  668. Exact differential equations
  669. Solving this PDE :(
  670. The auxiliary equation. Where did it come from?
  671. Runge-Kutta Integration
  672. numerical methods for solving convection-diffusion PDE
  673. Existence of solution to Poisson's equation
  674. Stochastic equation
  675. Orders and Degrees
  676. Where can I find a Site with some good exercises?
  677. Good DE book?
  678. Simple PDE
  679. Non-hom heat eq. w/ Dirichlet + Neumann BC
  680. assumptions of solution form
  681. Theoretical possibility?
  682. Abel's formula
  683. Simple differential equation substitution
  684. Dynamical systems:From explicit to implicit equations
  685. Green Function Question
  686. Linear equation website?
  687. navier-stokes
  688. hyperbolic equations
  689. need a solution for the following problem
  690. Bernoulli... yay!
  691. second order equation
  692. PDE kind
  693. non-integer order derivative
  694. Results same w/ Euler, Improved Euler, & Runge-Kutta
  695. asymptotic behaviour
  696. Setting up a differential equation
  697. Help with a PDE system
  698. expressing one function as linear combination of others
  699. 2nd order differential equation
  700. Solving Universal law of Gravitation as differential equation
  701. differential equation with cross product...
  702. Differential equations and integal transforms
  703. Convultion with Delta Function
  704. evolution of pressure in navier stokes
  705. System of Differential Equations
  706. Some calc 2
  707. Question about heat conduction equation.
  708. automaticly resolve spring equation
  709. PDE need help.
  710. Not really Laplace's Equation??
  711. non-linear ode
  712. second order homogenous with variable coeffecients
  713. canonical boundary conditions.
  714. An example regarding asymptotic expansion
  715. A trick on PDE??
  716. Intuition for solving PDEs?
  717. air resistance (pebble throwing)
  718. Definition of markov process with ODE
  719. asymptotic evaluation of Laplace inverse transform
  720. Fröbenius method
  721. nonlinearity and dispersion in Kdv equation?
  722. Must solitary wave a product of weakly nonlinear and weakly dispersive?
  723. Perturbation expansion when solving Kdv equation
  724. Method of reduction of order
  725. How do you find isoclines?
  726. finding the limit and a differential equation
  727. Laplas Transform Calculator
  728. Solving PDEs?
  729. The region in physical spce where KdV equation is valid
  730. What is weakly nonlinearity?
  731. Velocity and Temp. profiles for stagnation point (m=1)
  732. Help Please!!!!
  733. Famly of Curves
  734. 4th order equation
  735. Streamline pattern of a solitary wave?
  736. D'Alembert's Solution
  737. Picard's and Peano's Theorem
  738. Initial conditions for PDE
  739. Shallow water and small amplitude wave?
  740. Need opinions on my differential equations book
  741. Differential of Bezier curve
  742. Solving a partial differential equation (Helmholtz equation)
  743. Duhamel's formula and iterates.
  744. Smooth solution to PDE?
  745. first order diff eq question
  746. diff.eqn. help
  747. ODE and BVP need help
  748. Streamline and free surface profile
  749. solving D.E using laplace
  750. solving D.E using Lapalce
  751. Find Yp for an especial ODE
  752. symplectic integrator/hamiltonian
  753. Help whit ill-posedness
  754. Please look at these streamlines
  755. What are the criteria for solitary wave to exist?
  756. Laplace question
  757. Delay Differential Equations?
  758. Cntinuous functions- Please I need help
  759. Nonlinear DE depending on two variables
  760. Bezier Plotting problem
  761. stuck on this equation,need help
  762. Technique on solving non-linear ODE
  763. Canonical form of PDE
  764. Diff Equation
  765. Non-linear ODE, "blow-up" phenomenon
  766. Hit a Blank
  767. Difference/Recursive Equations
  768. ODE Book
  769. DE from Theory of Vibrations
  770. Analysing parabolic PDEs?
  771. Characteristic method of solving PDEs
  772. non linear differential equation
  773. Eigenvalues of second order coupled differential equations
  774. Helmholtz differential equation
  775. First Order Equations
  776. where ı can find problems about first order diff. equations
  777. Solution of First Order DE using Integrating Factors
  778. Beginner question
  779. Good books for PDE's
  780. Please recommend books on numerical approach to NLS
  781. Perturbation theory
  782. coupled ODEs
  783. Solitary Wave
  784. Can a self adjoint operator have a continous spectrum ??
  785. an anti-limit problem
  786. problem
  787. FDM on curvilinear coordinates
  788. Power Series
  789. Can somebody explain to me this integrodifferential equation?
  790. Dispersion Relation
  791. Nondimensionalization and Scaling
  792. Pseudo differential operators
  793. solution to a differential equation required
  794. Eigenvectors
  795. Inverse Fourier Transform
  796. eigenvalue pde
  797. "engine of calculus"
  798. Transformations of KdV equation
  799. Using fourier and laplace transform to solve PDE
  800. ODE (ar laplace transform)
  801. Parallelizing Crank-Nicolson method
  802. question about a partial differential equation
  803. Modified Heat Equation
  804. How are order and degree defined for this DE? (cos(y'') + xy' = 0)
  805. question on Lotka-Volterra model and Lanchaster combat model
  806. How many solutions?
  807. Limitation of Split-Step Fourier method
  808. mass term in wave equation
  809. continous spcetrum
  810. A boundary value problem "discussion"
  811. Fourier Series confusion
  812. simple help with notation
  813. Relating two PDEs
  814. A notation question
  815. Eigenfunctions of an operator
  816. Solution of a differential equation?
  817. I have something that doesn't work out for me
  818. The Legendre Transform for Hamiltonians?
  819. Differential equation system, got stuck in a physics problem
  820. Theorem of the uniqueness and existence of a solution of ODE
  821. Characteristic method + Jacobian
  822. Collision of two NLS soliton
  823. Legendre's Equation & Bonnet's Recursion
  824. Nonhomogeneous Power Series Solution
  825. Coveting ODE to polar coordinates
  826. Adaptive runge kutta method
  827. spherical harmonic decomposition
  828. Undetermined coefficients to find general solution to system
  829. A Hard differential equation!!!!
  830. Particular integral question with 2nd order diff eq'ns
  831. minimum fencing when dividing triangle into 4 parts
  832. diffential equations question
  833. Differential Equations: Direction Fields
  834. Help solving a Differential equation
  835. is this equation linear or nonlinear??
  836. runge kutta methods
  837. Integration problem
  838. Got a real world problem here ..
  839. Second Order DE: Nonlinear Homogeneous
  840. inhomogeneous linear equation--linear solver
  841. legendre's differential equation
  842. Green's fcn for Cylindrical
  843. Initial Value Problems
  844. How to solve Bessel function
  845. How did they find the trial solutions for certain diff.eq'ns?
  846. Pre Diff EQ skills?
  847. Eikonal equation
  848. Help about the numerical computation on the following equations
  849. Separable Equations
  850. A DE, maybe easy
  851. differential equation
  852. I want to learn diff eq
  853. Diff Eq help needed
  854. Integrating Factor
  855. Second Order Linear Diff Eq
  856. Vector product - operator's a vector?
  857. A few implicit differentiation problems!
  858. Books that explain differential equations in terms of complex variable theory?
  859. Is this a general from Laplace Transform?
  860. how to sketch phase planes by hand
  861. Bases of solutions
  862. Help understanding homog. eq.
  863. Find W of 2 Solutions to a Differential EQ
  864. differential equations question
  865. nonhomogeneous DEs
  866. Formatting Question
  867. Help needed with an elliptic PDE
  868. Bacteria growth rate
  869. Numerically solving NLS equation
  870. [SOLVED] Differential Equation with loans and investments
  871. I am pissed! And Variation of parameters. who, what, when, where, why?
  872. non homogenous 4th order eq
  873. Good ODE books
  874. exponential second member
  875. Inverse Laplace Transform Involving a Step (Heaviside) Function
  876. Alternatives to Taylor's book?
  877. The number of BC and IC
  878. Something about homogenous DE with constant co-efficients:
  879. a chemical engineering example for lagurre equation
  880. Integrals of PDEs (help needed to interpret theorem)
  881. Canonical Transformation of Parabolic PDEs
  882. explicit solution of heat/diffusion equation
  883. Question about homogeneous dif. equations
  884. modeling rotational motion with differential equations
  885. good DE book to start
  886. Numerical solution to coupled diff. eq.
  887. What exactly is a dependent variable?
  888. Help needed to find the flow potential function
  889. Bessel Equations help
  890. something i thought of involving hamiltonian systems and gradient systems
  891. Rate of flow - height of water problem
  892. Analytical solution of Laplace's equation with horrendous boundary conditions
  893. Rewriting a matrix equation as a system...quick help needed :).
  894. Laplace transform....
  895. solving this 2nd order DE without numerical methods
  896. Bessel Functions / Eigenvalues / Heat Equation
  897. Product of two integrals....
  898. Domain, why are they both not defined?
  899. Solving a first-order nonlinear differential equation.
  900. Coupled Nonlinear Schrodinger Equation
  901. system of ODEs
  902. Infinitely many integrable/conserved quantities? Soliton?
  903. Proof of the convolution theorem for laplace transform
  904. Laplace initial value problem.... HELP! PLEASE!
  905. Separation of time and space
  906. stability? nonlinear mode? soliton?
  907. Fourier-Bessel Series Expansion
  908. about partial differential equation book
  909. laplace splitting fraction
  910. Numerical methods: Finite difference and spectral methods?
  911. Laplace transformation help?
  912. Complex Ginzburg Landau Equation
  913. complex numbers help
  914. Undamped harmonic oscillator
  915. y'' = -y
  916. Undetermined coefficients vs. Variation of Parameters
  917. a restriction within Variation of Parameters
  918. Retarded and lesser Green's function
  919. Boundary-value problems (Neumann condition)
  920. Fourier transformation
  921. quasi-linear partial differential equations
  922. partial differential equation problem
  923. Applied example of Laplace Transform?
  924. Instruction needed
  925. Differential equation reducible to Bessel's Equation
  926. Non-homogeneous laplace
  927. Green function
  928. Fick's second law in cylindrical co-ordinates
  929. Applied Diff. Eq. Problems
  930. Homogeneity Question
  931. non linear diff. equation example
  932. From 1D to cylindrical co-ordinates in PDEs
  933. Please help with a problem I am having
  934. Linearly Independent Solutions
  935. Implicit differentiation
  936. Real parameters for waves described by nonlinear Schrondinger equation
  937. Gradient Ascent question
  938. Split Step Fourier Method
  939. Euler expansion of double exponential?
  940. GR equations of motion
  941. Help creating a dif. eq. for a real life model???
  942. Differential equation involving money
  943. Fourier Series Transform Proof Help
  944. Methods to resolve diff. equ!
  945. phase curves.
  946. Cannot figure out how to solve this differential equation
  947. Differential Equations - Bifurcations
  948. Help with first order, "Bernoulli" ODE
  949. Second order diff.eq. help??
  950. Existence and Uniqueness
  951. difference in differential and partial differential
  952. Build logistic differential equation for given data
  953. need help with a diff. eq?
  954. Fourier Series question
  955. (x-a)^2 * (x-b)^2 * y'' = c*y
  956. Help with a method please?
  957. System of coupled first order PDE
  958. A very odd partial differential equation.
  959. Nonseparable Differential Equation
  960. Serious problem about Differential equation
  961. Integration of the function exp(cos(x))
  962. Solving this ODE
  963. Domain of a Differential Equation
  964. Biharmonic operator
  965. Need help integrating
  966. Laplace Cylindrical Coordinates (Separation of variables)
  967. Solving non-linear equations simultaneously with DE's using Euler integration
  968. Problems about Legendre Polynomials
  969. Fundamental Matrices in Differential Equations
  970. seperation of variables
  971. Solution to ODE
  972. Bernoulli equation
  973. How do you solve this nonlinear first order DE
  974. special riccati equation
  975. y'-y=(1/2)x-1....HARD!
  976. Hermite Equation use
  977. shallow wave equations
  978. Heat equation with Neumann BC
  979. Uses of Laguerre Differential Equ.
  980. nonhomo with natural log
  981. Limit Problem
  982. [SOLVED] Diff. eqn + erf (error function)
  983. Help with Wronskians and matricies?
  984. solutions of a first order linear PDE
  985. Solution of a simple Differential Equation
  986. Solution to partial differential equation
  987. Method of characteristics for a 1st order quasi-linear PDE.
  988. 2nd-order coupled nonlinear DEs
  989. Solution -> Second Order ODE?
  990. A simple differential equation!
  991. How do i prove this theorem?
  992. initial condition leads to periodic solution
  993. Can this be solved?
  994. Why do we get different answers ?
  995. Runge kutta method for solving PDE
  996. Drawing phase portraits.
  997. SOS from a chemist
  998. Hypothesis for the separation of variables method
  999. partial differential equation help
  1000. Can this be solved
  1001. Numerical Solution to 2nd Order Eqn?
  1002. Can a differential equatio have NO solution ??
  1003. Implicit
  1004. Differential equation from general solution
  1005. Olimpiad problem
  1006. Problem solving 2nd order ODE...not for the faint of heart!!
  1007. Need help solving a Non-Homogenous DE
  1008. interesting problem
  1009. Trial Solutions of Particular Integrals?
  1010. Advanced Numerical Methods for Wave Eqn?
  1011. Conversion of System of Eq's to 2nd Order Diff Eq
  1012. Substitution for impulse in recurrence equation
  1013. Non-linear ODE.
  1014. comsol pde
  1015. How can I integrate this ODE numerically?
  1016. Need Laplace transform help
  1017. system of DEs with different "denominators"
  1018. Cant find the general solution
  1019. ODE change of vars
  1020. Series solutions near a regular singular point
  1021. A problem about integral of modified bessel function
  1022. integral of first order (first kind) bessel function
  1023. Genral state space model - runge kutte
  1024. Finding Singular points
  1025. Analogy to Damped , Driven Oscillator.
  1026. Hamiltonian System with NDSolve
  1027. fun eode
  1028. 1-d diffusion
  1029. 1D Heat diffusion
  1030. Nonhomogeneous ODE with Dirac delta
  1031. Just a question on maximum probability
  1032. Green's function
  1033. [SOLVED] Forth Order DiffEq
  1034. could any one help me
  1035. Nasty Sturm-Liouville Differential Equation/Eigenvalue Problem
  1036. Transforming an elliptic PDE into the Laplace equation?
  1037. Can you help me in this problem?
  1038. [SOLVED] (Methods)Parameters v Undetermined Coefficients
  1039. Help on solving 2nd order linear Partial Differential Equations
  1040. DE problem: Dog chasing a rabbit
  1041. generalizing separation technique
  1042. First order ODE problem
  1043. strange differential equation
  1044. Laplace operational properties
  1045. Need help with D.E to account for air drag of my projectile
  1046. thermodynamics question
  1047. System of Second Order, Nonhomogeneous Differential Equations
  1048. Solutions to Homogeneous 2nd-order Linear D.E.s
  1049. System of first order PDEs
  1050. please i need help and fast!
  1051. first order differential equation help
  1052. question in understanding differitial equations..
  1053. where can i find ...
  1054. (1/2)y'' + y^2 = 1
  1055. question on drawing a diff.equation
  1056. Bessel Function?
  1057. Axisymmetric Poisson equation
  1058. A faster way to solve this ODE?
  1059. Double differentials and some curious problems
  1060. how to solve this 2nd order nonlinear differential equation
  1061. Energy distribution function
  1062. Integration and taylor expansion
  1063. Slope Field
  1064. How did Euler know this?
  1065. i need help in a bonus problem
  1066. Linear PDEs
  1067. Multiple Scales and Non-Linear Oscillator.
  1068. Solving a non-linear non-seperable differential equation
  1069. More derivative fun
  1070. Fourier/Laplace transforms
  1071. first order nonlinear DE
  1072. Solution strange, differential equation
  1073. Scaling a PDE
  1074. Von Neumann stability analysis
  1075. question
  1076. y'=(y+9x)^2, (y+9x=v)
  1077. solve 4th order trial n error method
  1078. Turn a Solved DE into a Taylor Series...
  1079. Unique soultion of a set of nonlinear differential equations.
  1080. diffusion equation with axial symmetry
  1081. Three Variable Simultaneous Differential Equation
  1082. Solution to 1st order nonlinear differential equation
  1083. ODE on the plane
  1084. Need help setting up Logistics equation
  1085. simultaneous differential equation
  1086. Fourier Coefficients
  1087. "Helmholtz equation" Neumann and divergence
  1088. Problem with a boundary value problem non linear...
  1089. How to solve the following equation ?
  1090. Laplace Transforms to solve non IVPs?
  1091. differential equations with singularities
  1092. 2nd order with exponential and constant on right side
  1093. illustration about dynamical system
  1094. how to decide right solution
  1095. ODE question
  1096. Another ODE, can't separate variables
  1097. Simple ODE question
  1098. Roam DE thread.
  1099. Nice Laplace Transform
  1100. Linearization and differentials
  1101. Better substitution?
  1102. linearization of nonlinear non homogenous ODE
  1103. Laser Travelling wave rate equations solved numerically
  1104. Cant resolve this diferential equation
  1105. Laplace transform
  1106. existence and uniqueness
  1107. Green Functions and BC's
  1108. Algorithm for Finite diference
  1109. Legendre's associated function - number of zeros?
  1110. 2nd order differential equations with constant coeff. The Particular integrals.
  1111. Heat equation...Fourier Series
  1112. DE of the form y'' + by' = a
  1113. The ONLY solution of PDE: f_t g_r = f_r g_t ???
  1114. simple looking but hard to solve nonlinear PDE
  1115. solving forth order nonlinear ode
  1116. solution to the nonlinear 2nd order d.e
  1117. nonlinear first order DE
  1118. Eigenfunction
  1119. 1st Order Nonlinear equation - Control
  1120. Doubts about change of variable in ODE
  1121. Green Function and Boundary Conditions...
  1122. Gradient of multiparticle wavefunction
  1123. First order pde cauchy problem by method of characteristics
  1124. Finding the Integrating Factor
  1125. How can I determine if the equation (2x+3) + (2y-2)y' = 0 is exact or not?
  1126. Numerical Integration and Energy Loss
  1127. DGL 2. Order
  1128. draw the trajectory in the x-xdot plane
  1129. Eigenvalues of Laplace-Beltrami operator for oblate spheroid
  1130. laplace tranform
  1131. Wave on a string and the chain rule....Argh
  1132. How would I solve a DiffEq of the form...
  1133. PDE with functions for coefficients: f_v g_u + f_u g_v = 0
  1134. Finding derivatives of vector function for numerical integration
  1135. Reduction of Order
  1136. Clairaut's Equation in Optics
  1137. solving diff. eq.
  1138. Differentiating Products
  1139. partial Multigrid for CFD ?
  1140. method of characteristics for linear PDE's (variable coefficients)
  1141. Particularly annoying
  1142. change of variables to polar coordinates
  1143. modeling with diff eq
  1144. using fourier/laplace transform and green's function
  1145. Integration Factors
  1146. (ln x)(ln x)
  1147. Non-linear ODE's
  1148. Many-Body Numeric Integration Algorithm
  1149. Difference equation
  1150. Nonlinear Differential equation and simplification techniques
  1151. Help with differential equation
  1152. From 2 1st order ODEs to 1 2nd order ODE?
  1153. Symmetries in DE
  1154. Skew Adjoint Frechet derivative?
  1155. Fourier trouble in PDE
  1156. Need help drawing phase portraits for coupled systems of ODEs
  1157. solve y'y'''=y''
  1158. Diff. eq. for the Einstein metric inside a body
  1159. Separable Equations
  1160. Differential problem! Confused :S
  1161. Heat equation with source and Neumann B.C.
  1162. Frobenius Method
  1163. Laplace and Poisson Equation in oblate and prolate spheroids
  1164. Where did this term come from? (Fourier)
  1165. general methods for quasilinear system of ODE's ???
  1166. Equation of Diffusion, trouble simplifying, PDE
  1167. ODE trouble at integration step
  1168. 1st order non homogenous DE problem solving
  1169. Condition for a 2nd order differential eqn to have bounded solutions?
  1170. Equation of heat conduction, vague text book
  1171. Numerical method to solve high order ODEs.
  1172. Number of solutions of a nonlinear differential equation.
  1173. Euler equation
  1174. I have some questions about ODE
  1175. Wave Equation, stuck on a partial calculation
  1176. Manipulating differentials - references?
  1177. Help with DE and UNIT STEP FUNCTION
  1178. Integration of the function exp(-i*r(x)*cos(x))
  1179. Differential in a initial value problem
  1180. Fourier transform and steady state solution?
  1181. order of differential equation
  1182. any reference for exact polynomial solutions of nonlinear ODE's ?
  1183. y'' - y' = e^x [2nd order nonhomogenous diff Eq]
  1184. Partial derivative of an ordinary derivative?
  1185. Using nullclines to plot phase portraits
  1186. Laplace u => Harmonic function
  1187. reduce order of ODE y"=c-2y'2/y
  1188. Trouble with dirac delta in R^2
  1189. A differential equation : x^2 * u'' = k*u
  1190. Solving PDE involving exp(x^2)
  1191. derivatives of natural logarithmic functions
  1192. Derivative
  1193. 2nd-Order Non-Linear ODE: Where to Start?
  1194. What is orthogonal trajectory?
  1195. energy spectrums in QM
  1196. Quick question-Representing a curve w/a DE
  1197. A Weird Differential equation
  1198. infinite series solution for NON-linear ODEs???
  1199. Laplace's EQ, Dirichlet cond, problem at definition
  1200. need some help.
  1201. PDE in two dependent variables
  1202. Wavenumber of steady waves
  1203. Lagrangian method for nonlinear ODE, 2nd order ??
  1204. Initial Condition?
  1205. x'=sinx
  1206. F. S. Expansion
  1207. Help identifying ODE
  1208. Transforming an ODE ...
  1209. How do you solve this type of linear partial differential equation?
  1210. delta function solution to a nonlinear PDE
  1211. Finding the derivative
  1212. Separable first order diff eq
  1213. Formulating Differential Equations
  1214. bounded solutions of a system of copled liniar Schrodinger equations
  1215. help with basic pde
  1216. i need finite difference code in matlab
  1217. critical points
  1218. The method of complexification?
  1219. 1st order diff equ vs integral tables
  1220. Laplace equation
  1221. Eigenvectors
  1222. Recommend a textbook about differential equations
  1223. Homogeneous equation, problem with algebra
  1224. Solve the First-Order ODE
  1225. partial using the chain rule
  1226. Air drag equasion
  1227. Simple and stuck
  1228. Thermo diff. eqn problem
  1229. suggest a function
  1230. How to solve DE with irreducible quadratic
  1231. Runge-Kutta or Runge-Kutter?
  1232. General solution of a linear ordinary differential equation
  1233. How to integrate the following Bessel funtion
  1234. Sobolev W0 basics question
  1235. Partial Fraction Expansion with repeated roots
  1236. Analytical Solution to this? -- linear system of ODES
  1237. Derivative of a Wronskian
  1238. more general solutions of Abel ODE, second type ??
  1239. getting general solution of Abel second type ODE from one(two) particular solutions ?
  1240. translating velocity and angle into wheel speed (for a two wheel robot)
  1241. About orbit or ode
  1242. Help in Matlab coding for discretized PDE
  1243. Phase Space -- does each point have a unique time associated with it?
  1244. 2d Laplace equation in a 1/4 plane
  1245. Hypergeometric D.E.
  1246. dynamical systems
  1247. pseudospectral to solve kdv
  1248. derivation of the ordinary time derivative of the energy associated with a wave
  1249. Non-separable, linear pde
  1250. Damped HO and Laplace transform method
  1251. Differentials in a derivation
  1252. Partial Integro-Differential Equation
  1253. Method of Undetermined Coefficients - Inhomogeneous DE
  1254. Understanding the construction of vector spherical wave functions!!
  1255. Linear stationary system of 2 partial DEs, numerical implementation
  1256. The difference between linear and non linear differential equation
  1257. Flow of a vector field
  1258. Discretize and solve Chimera state model
  1259. Nonhomogeneous with constant coefficients equation
  1260. Taylor method for IVPs
  1261. Hermite equation
  1262. Numerical Solutions to Coupled ODEs with Boundry Values at Opposite Ends
  1263. Operiational method for solving differential equation
  1264. Normalisation of associated Laguerre polynomials
  1265. how do i deal with integral boundary conditions?!
  1266. How the heck do I integrate this?
  1267. Euler's Method
  1268. Spherical bessel functions addition theorems!
  1269. simple indicial eq
  1270. Nonlinear ODE
  1271. Higher order DE
  1272. PDE derivation
  1273. Showing That the Modified Bessel Function of the First Kind is a Solution
  1274. Pde
  1275. Integral Equation
  1276. Order 3
  1277. Has my lecturer lost the plot!!!!?
  1278. DE solutions
  1279. Diff. eq. with square root
  1280. ODE with complex coefficients
  1281. Integration & Differentiation Practical Example
  1282. Pde
  1283. Second Order Seperable Differential Equations
  1284. Partial differential equation
  1285. picard iteration!
  1286. linear differential equation?
  1287. How to solve this nonlinear ODE?
  1288. Population Growth
  1289. Functions that define an orbit
  1290. Fluid Mechanics PDE's and existence of solutions in inviscid, axisymmteric case
  1291. Analysis , then PDE ?
  1292. Fick's Second Law: Laplace Transform to solve PDE in Spherical Coords
  1293. Laplace vs Fourier Transform
  1294. solving partial differential equation with FEM
  1295. Solving Higher Order Differential Equation
  1296. what is the best way to solve this problem?
  1297. Quick Diff. Eq. Question
  1298. Partial Differential Equations Help
  1299. equation graphs query?
  1300. Motion equation
  1301. Physical significance of the laplacian operator?
  1302. Motion graph
  1303. Numerical integration of angular velocity
  1304. connection between modified Bessel and hypergeometric fct's
  1305. Numerical method to solve a fourth order ODE
  1306. Differential equation in the torus
  1307. ODE derived from Schrodinger's Equation (Harmonic Oscillator)
  1308. Poisson and Helmholtz equations
  1309. About solving a Transport PDE
  1310. need help on this pde
  1311. solving PDE without BC with MATLAB
  1312. PDE - Change of variable
  1313. Unit tangent
  1314. Finding finite element soluton for a PDE
  1315. Solving system of ODE
  1316. Imitations of classical Julia set using Newton's method
  1317. second order nonlinear differential equation
  1318. Numerical method needed for the following system of ODEs
  1319. Help in hard model of RABR - solitons- solving PDE
  1320. Age Diffusion Theory and Fourier Transforms
  1321. Second order linear DE
  1322. Method of Variation of parameters
  1323. 2nd order dampened harmonic oscillator (Shot in the dark)
  1324. partial derivative
  1325. undetermined coefficients
  1326. Heat equation PDE for spherical case
  1327. degenerate critical point
  1328. Space grids?
  1329. Non-Linear ODE Question
  1330. Finding particular solution with fourier series
  1331. help in second order ode numeric solution
  1332. chain rule proof
  1333. Mechanical vibrations
  1334. Double integral
  1335. specific laplace transform...
  1336. Integrating Factor and Unintegratable Term
  1337. Insane differential equation... help?
  1338. differention equation problem, help please!
  1339. a question about the sobolev spaces
  1340. Heat Equation
  1341. steady state temperature
  1342. principle of superposition
  1343. partial derivative problem
  1344. Continuity of DE solution in the _density functions_?
  1345. Some simple Differential Equation questions [Please help!]
  1346. The loss of y = 0 as a solution
  1347. Boundary Value Problem , triangular plate
  1348. steady state temperature of insulated rod
  1349. Some ODE help needed
  1350. Rectangular Plate BVP problem
  1351. Wave Equation String BVP
  1352. Verifying if this PDE is a solution
  1353. Can someone explain Charpit's Method to me (PDEs) !!!!!!!
  1354. difference equation
  1355. Partial Differential Equation
  1356. financial model using integral
  1357. question about nonlinear system of PDEs
  1358. Why does this blow up?
  1359. pde
  1360. ODE, Liapunov Functions
  1361. Advice on 1D second order ODE
  1362. fundamental set of solutions
  1363. "Self-Adjointness" on Differential Equations
  1364. Cauchy Conditions on a Problem
  1365. Quick Frobenius Question
  1366. differential equation from general solution
  1367. Help in Split step fourier method
  1368. Help with a relatively simple first order, first rank DE
  1369. Step Function (heaviside) laplace xform
  1370. little help needed for solving first order diffferential equation in NONLINEAR OPTICS
  1371. 1D wave equation with dirac delta function as an external force.
  1372. Finding Negative Definite 'hood
  1373. First Order Linear Equation
  1374. Laser rate equation(ODE) simulation problem
  1375. Some clarification needed about basic concepts
  1376. books on numerical pde solving
  1377. 2. order diff equation
  1378. Singular solutions Separable Eq. and IVP
  1379. Having Trouble with this DEQ
  1380. First order IVP (sort of)
  1381. Poisson-Boltzmann Equation
  1382. First order linear partial differential equation
  1383. integral problem
  1384. some silly modeling question
  1385. Question related to PDE y(z_x)+x(z_y)+z=y
  1386. Simple harmonic motion
  1387. sin(t) - cos(t) can be rewritten as?
  1388. second order ODE solution for this system??
  1389. Nonlinear shooting (BVPs)
  1390. Special case when solving D.E.'s
  1391. 2nd-order ODE Euler's
  1392. I feel really lost in my PDE class. Can somebody explain some things to me?
  1393. Plotting Phase Graphs/Diagrams of PDE's in Maple
  1394. solving a system in polar coordinates
  1395. How to solve 2nd order ODE solution eg. te^t+e^t, for t?
  1396. finding amplitude and phase angle from a graph?
  1397. Non-homogeneous ODE via Power Series
  1398. Solution by finite-difference method.
  1399. Hankel Transform of zeo order
  1400. Slope fields in Matlab
  1401. Frobenius Method again!
  1402. an issue with solving an IVP by Taylor Series
  1403. How do I solve: p(t)f''(t)+q(t)f'(t)=Kf(t) ?
  1404. Gear predictor / corrector
  1405. how to solve dy/dx=3√(xy)
  1406. the difference between the Heat and Diffusion equation ?!!
  1407. How to solve: ((1/k)')^2 + T^2(1/k)^2 - T^2 = 0
  1408. Definition of the eigenfunction?!
  1409. Hi! how to solve? y(y-2x(y'))^3=(y')^2
  1410. Laplace transforms of Heavyside functions
  1411. linear system which is time independent
  1412. What is meant by a "complete solution"?
  1413. Dirichlet conditions+Analytic functions...?!
  1414. How to Solve dx/dt = Adx/dy + Bdx^2/dy^2
  1415. How do I solve: (p(t)f(t))''=Af(t)
  1416. sin and cos
  1417. About an equation with eigenvalues
  1418. How to solve the following (integro-differential eq.)...
  1419. differential equation what going on?
  1420. Complex ODE system numerically - GSL ODE SOLVER
  1421. Manifold ?!
  1422. Mutual inductance using bessel function
  1423. Computing the potential from the continuity equation
  1424. Solution of laguerre polynomials
  1425. stability of PDE's and ODE's?!
  1426. How to find uniqueness in first order pde
  1427. 2nd order differential equation
  1428. How do you determine shock structure of nonlinear PDE?
  1429. Can Wronskian be used for all?
  1430. [Numerical] Euler Backward method
  1431. Help Solving a System Of DEQ's
  1432. How is Finite Difference Method?
  1433. 2nd order nonlinear non-seperable equation
  1434. Eigenvalues of Laplace eq in the circle.
  1435. louiville theorem
  1436. How to program user-defined PDEs by using COMSOL Script?
  1437. Time-dependent boundary conditions
  1438. domain of influence for wave equation in 2 dimensions...
  1439. Curl and vector fields
  1440. ODE help, not sure what method to use
  1441. Can it be solved: 2nd order non-linear diff. equation
  1442. Trace Determinant Plane
  1443. PDE help, Green's Function
  1444. solve
  1445. Airy functional equation.
  1446. Traveling wave
  1447. Convode
  1448. 2nd Order Nonlinear ODE
  1449. Surface Tension of a Pendant Drop Using Young-Laplace Equations
  1450. System of Coupled Differential Equations
  1451. problem in simulation of optically pumped VCSEL rate equation...
  1452. Diffusion equations
  1453. Pde
  1454. Variation of Parameters... help!
  1455. Need help to solve one differential equation
  1456. Bessel Function order 1
  1457. System of differential equations (classification of 3x3 case)
  1458. Engine for solving LaPlace's equation
  1459. Calculus of Variations Euler-Lagrange Diff. Eq.
  1460. HELP! Inverse Laplace Transform
  1461. Fourier Transforms
  1462. Inverse spectral problem
  1463. Notation issue: Grad with a vector subscript
  1464. Helmholtz equation in N dimensions
  1465. Help Needed Solving
  1466. simple linear diff.eq.
  1467. polar BVP in Sturm-Liouville
  1468. Frobenius Method
  1469. Differentiating natural logs and exponential functions?
  1470. How to Estimate with a Computer program a 3rd order diff eq
  1471. Reducing third order ODE to a system of first order equs + 4th order runge-kutta
  1472. Sturm-Liouville Problems
  1473. Stability of the Origin of an Almost Linear System
  1474. Splitting a second order PDE into a system of first order PDEs/ODEs
  1475. Why does separation of variables work?
  1476. Derivation of Variation of Paramters
  1477. Critic of heat equation
  1478. Asymptotic matching
  1479. uniqueness for ode coming from parabolic pde
  1480. Solve a PDE of 4order in space and 2nd order in time using Mathematica or Matlab
  1481. Laplace Transform Problem - Peacewise Functions
  1482. Help solving a 2nd order diff eq
  1483. Solution to diffusion equation - different input
  1484. Solving Differential Equations Involving Vector Fields
  1485. How to solve 2nd order non-linear DE with exponential
  1486. Determining Legendre polynomials (Boas)
  1487. Frobenius series
  1488. Double Pendulum
  1489. Difference equation with non-linear term
  1490. Laplace equation on a rectangle with Robin BCs
  1491. Poisson's Integral Formula for Rectangle having Robin BCs
  1492. Green's Formula for Laplace Eqaution : For any BC's ?
  1493. Orthogonality Property of Hyperbolic functions ???
  1494. How to draw phase planes on TI 83 or 84?
  1495. reaction diffusion problem concentric spheres
  1496. decay reaction query
  1497. solution of differential equation
  1498. Fundamental Solution of Laplace Equation 2d vs 3d
  1499. Plotting streamlines in polar coordinates mathematica?
  1500. Help on PDE
  1501. Numerical Solutions to ODE
  1502. Reflection Principle(PDES)
  1503. Finding behaviour of ODE solutions without solving for them
  1504. A second ODE problem that bothers me a lot~~ HELP!
  1505. Can anybody help please
  1506. Simple Harmonic Motion
  1507. Laplace's equation in spherical co-ords
  1508. Can't solve differential equation for atmosphere density
  1509. A tricky 2nd Oder ODE Problem,nonhomo delta=0 case
  1510. Reducing order of PDE
  1511. Newton–Raphson method - Finite difference method
  1512. Confused about separation of variables for PDE
  1513. A special integration
  1514. help with frobenius series
  1515. Solving a System of PDE's Using Maple
  1516. Euler forward equation
  1517. Monotone Test of the equation
  1518. m i right
  1519. Negative Energy Solutions to Photon Wavefunction
  1520. gerechte23's question
  1521. help with integral equation
  1522. steady solution of ODE
  1523. sliding down a hill with no friction, non-constant incline
  1524. System of ODE's and direction field
  1525. Linear Differential Operator/Inner Product
  1526. Help on analytical model of tracer dispersion in a vertical porous plane !!
  1527. Solution of Euler-Lagrange equation
  1528. Laplace help on a DC transient RC circuit
  1529. Laplace equation only applies in limited regions ?
  1530. Green's function for Poisson equation in a box with both mixed boundary conditions
  1531. Terminology question
  1532. Negative Lipschitz (Hölder) exponent: Intuition!!!
  1533. need help with Laplace transformations
  1534. help me,master-hands!
  1535. ODE: Confused about a Homogeneous Eqn question
  1536. 2nd order nonlinear ODE
  1537. First order homogenous DE with variable coefficient
  1538. Solution of a Transport-type equation
  1539. question about solving recurrences/difference equations
  1540. Differential equation similar to Legendre
  1541. Geodesic on Parabolic Surface
  1542. hello PDE - Matlab Code - help needed
  1543. Solving second order PDE by separation of variables (getting 2 ODE's)
  1544. Using WKB(J) method to obtain asymptotics for an elastic string?
  1545. Laplace transform
  1546. A cooling planet
  1547. PDE solution uniqueness
  1548. Geometry of phase space and extended phase space
  1549. Geometry of phase space and extended phase space
  1550. PDE's: Seperable Solutions
  1551. NDSolve in mathematica
  1552. Laplace transforms and ODE
  1553. undamped spring system, need urgent help
  1554. Power series method of solving ODE
  1555. solving ODE in matlab
  1556. Ode
  1557. Navier-Stokes Equations
  1558. OLS regression - using an assumption as the proof?
  1559. General solution of ODE
  1560. Trouble with boundary conditions in Newton-Raphson method for Coupled PDEs
  1561. change of dependent variable in a DE
  1562. Having a hard time understanding Runge-Kutta integration method
  1563. understanding the manipulation of Laplacian
  1564. Second order differential equations and analog computers
  1565. Asymptotic solution
  1566. Factorization of Laplacian
  1567. easy ODE to solve using frobenius method...help?
  1568. Nonlinear diff. eq. involving Besselfunction of first kind
  1569. Infinite sum PDE solution
  1570. separation of variables
  1571. Green's function approach using Lebesgue integration
  1572. How to handle the Dirac delta function as a boundary condition
  1573. Help with Legendre Differential equation
  1574. What is a "lifting function"?
  1575. Help needed with Airy equation
  1576. Problem solving highly non-linear pdes in mathematica! Can anyone help?
  1577. help undetermined coefficients
  1578. Finding aplitude of free undamped motion
  1579. 1D wave equation -- bizarre problem!
  1580. Substitution to make it seperable
  1581. im stuck, modeling problem
  1582. Neumann vs Dirichlet
  1583. Autonomous Second Order ODE
  1584. Issues solving this DE
  1585. 1st order diff eq question
  1586. Keplers Law of Planetary Motion?
  1587. bessel+starting part?
  1588. Integrating Factors Found by Inspection
  1589. stability conditions for finite difference method to solve coupled equations
  1590. Weak Solutions for PDEs
  1591. Heat Equation - B.Cs
  1592. Approximating Non Linear Systems by Using The Matrix Eponential
  1593. help me for this code! PDE
  1594. second order linear 'ODE'
  1595. Fixed Points of ODE
  1596. PDE - substitution of variables
  1597. Three-term integral
  1598. differential equations
  1599. Pde
  1600. Stuck on a complex ODE (conjugate issues...)
  1601. Deriving Wave Equation by Vector Approach
  1602. [Numerical] System of first order ordinary diff equations with given asymptotic
  1603. Method of Variation of Parameters
  1604. Describing the form of a second-order D.E.
  1605. Integral of square of Bessel function
  1606. Need help understanding linear equations of higher order
  1607. multiplying by dx
  1608. Second Order Numerical Integration w/ Neumann Boundary Conditions
  1609. diffusion problem
  1610. Can someone verify my solution?
  1611. max dimensions of phase space
  1612. Help on Solving this Eq.
  1613. Graphing Direction Fields With an HP Calculator
  1614. 4th order homogeneous linear ODE with constant coefficients
  1615. Help setting up a tricky system of ODEs
  1616. Bernouli Equation
  1617. Differential Equation with Vectors
  1618. Stability
  1619. Matlab Help please
  1620. Does "dx" does not make change in front of the integral?
  1621. Integral representation of Bessel functions of the second kind
  1622. can this equation be solved with the method of undetermined coefficiants?
  1623. diffusion equation, semi-infinite solution
  1624. navier-stokes equations
  1625. Who can find the solution to this ODE?
  1626. Non-linear second order equation
  1627. Name for DE given by law of gravitation
  1628. Fourier transform of Bessel functions
  1629. Solving a linear homogenous 2nd order DE with a constant term
  1630. 2nd Order ODE,Homogeneous,Non-Constant Coeff.
  1631. Preparation for PDEs
  1632. What is the purpose of PDE research/study
  1633. point spread function, cylindirical aperture..
  1634. Partial Fraction Expansion with repeated & complex roots
  1635. Laplace transforms of Heavyside functions
  1636. Inverse Laplace transform problem
  1637. homogeneous diff. eqn help!
  1638. linear and non linear differential...
  1639. need help solving pseudo-hypergeometric ODE
  1640. differential equation
  1641. help with nonlinear ode
  1642. series solution to 2nd order differential equation
  1643. Help with linear PDE problem
  1644. Laplace Transform (Numeric Computation?)
  1645. Inverse Laplace Transform (Proof?)
  1646. Laplace Transform Convergence
  1647. Approximations used in Crank-Nicolson method for solving PDEs numerically
  1648. Solving 2nd order differential equation with non-constant coefficients
  1649. Opinion about y"=f(y)
  1650. Separating Variables
  1651. Finite difference for 2nd order PDE
  1652. Why derive Regular Singular Points?
  1653. Systems of Nonlinear Differential Equations
  1654. Temperature hollow sphere - Temperature varying inside
  1655. Differential equation from the block diagram
  1656. Laplace tranform on functions
  1657. Nonlinear ODE by an infinite series expansion
  1658. continuous partial derivatives
  1659. Existence of integrating factor
  1660. derivative with respect to a variable
  1661. Heat kernel (PDE) asymptotic expansion
  1662. Linear initial-value question
  1663. Ordinary Differential Equations: Separation of Variables
  1664. Mathematica NDSolve
  1665. Differential Equations Profit
  1666. Materials on modelling phenomena with ODE/PDE
  1667. Solving the Undamped Duffing Oscillator
  1668. Variational Iteration Method
  1669. PDE 2Ux + 3Uy + U = 0 with change of variables V(x,y)=ln[U(x,y)]
  1670. Hadamard and "well-posed" problems.
  1671. How to solve this non-linear PDE?
  1672. Existence-Uniqueness problems.
  1673. exponential growth model
  1674. Greens Functions, PDEs and Laplace Transforms
  1675. Nonhomogeneous PDE with non-constant coefficients
  1676. Help with 3rd Order DE (r^3)*r''' - kr' = 0
  1677. First order linear PDE
  1678. 3D wave equation - spherically symmetric transformations
  1679. First order linear PDE-the idea of characteristic curves
  1680. First order DE separable
  1681. different type of differential question most ppl used to
  1682. Integrals of Trigonometric Functions
  1683. Ivp
  1684. First order DE with exponential
  1685. Second-order non-linear PDE
  1686. Integrating Factors
  1687. Questions regarding dummy variables
  1688. Solution of State Eqs when A matrix is Time dependent
  1689. Can a distribution or delta function solve a NONlinear ODE or PDE
  1690. non-linear operator
  1691. Help with 1st order quasilinear PDE
  1692. unsolvable differential equations?
  1693. Solving First Order Differential Equation using substitution
  1694. how to solve this 1ode
  1695. regular singular points (definition)
  1696. Recommend good intro to PDEs book?
  1697. Method of residues integration problem
  1698. Hamilton-Jacobi-Equation (HJE)
  1699. a difficult differential problem to solve.
  1700. Quasilinear first order PDE
  1701. Bessel's equation
  1702. Help needed regarding my system of PDE
  1703. Max tension of a chain
  1704. dx/dt = y; dy/dt = x?
  1705. help with 1st order ode
  1706. partial differential: partial scalar partial vector
  1707. Convergence of Series Solution
  1708. Looking for a good Differential Equations Textbook
  1709. How to find fixed points for a non-linear system of ODEs
  1710. Initial Value Problem
  1711. Maximizing a functional when the Euler-Lagrange equation's solution violates ICs
  1712. Mixing problem Helllllllllllllllp?
  1713. Systems ODE
  1714. 2nd order linear hyperbolic PDE?!
  1715. 4th oder ODE
  1716. building an rc chopper and have a question to do with damping vibrarions
  1717. Power Series Solutions of Laguerre Differential Equation
  1718. simple looking 1st order ode
  1719. Separable Differential Equation (what's wrong?)
  1720. Can't solve this ODE
  1721. green's function
  1722. Help! Programming Runge Kutta
  1723. Trigonometric Identity and Differential Equation question
  1724. Applications of p-Laplacian equations
  1725. System of linear second order differential equations
  1726. Problem on Green's function
  1727. help solving third order pde?
  1728. two second order differential equation
  1729. Help solving 2nd order differential equation plz
  1730. Approximate General Solutions
  1731. How do I model the falling of a skydiver using a DF?
  1732. Peano Existence Theorem confusion
  1733. Proof
  1734. Differential Equations
  1735. Differential Equation
  1736. Simple 2nd order nonlinear ODE
  1737. PDE involving BiLaplace
  1738. Euler's Method With Mass Balance o.d.e's
  1739. Help with simple numerical ODE problem from QM
  1740. Matlab solver question
  1741. first oder pde using laplce transform
  1742. Laplace Transforms, Region of Convergence
  1743. Stochastic Caluclus: dt^2=0, dW*dt = 0?
  1744. Stopping ODE solver on zero crossing
  1745. time variant Green function
  1746. Reduction of a wave aquation
  1747. Numerical Differential equations in Maple
  1748. Delta function
  1749. Vector Green's functions for Laplace function
  1750. coupled ODEs
  1751. Why not separable (basic question)?
  1752. Picard's Iteration
  1753. Help in mathematical modelling phase diagrams! :(
  1754. pde with boundary conditions
  1755. Poincare Return Map
  1756. 2nd order
  1757. differential equation
  1758. Ode
  1759. Numerical Schemes for KdVs?
  1760. Green's Function - Kirchoff Helmholtz Integral Problem
  1761. When do these methods for PDEs apply?
  1762. discretization
  1763. Question
  1764. Eulars method
  1765. Solving Second Order Differential Equations
  1766. Solving Predator-Prey Equations
  1767. Analytical Solution to Poisson's Equation
  1768. Laplace equation in cylindrical coordinates
  1769. System of nonhomogeneous difference equation
  1770. dssssss
  1771. System Control Query
  1772. Poisson Solver FFT
  1773. How to solve y''=0
  1774. SDE Textbooks
  1775. Laplace transforms to do integrals?
  1776. inhomogeneous wave equation
  1777. Different methods to solving PDE's
  1778. Differential Equation Uses
  1779. Backward Euler / Implicit Integration Implementation
  1780. order of PDE
  1781. inverse laplace transform
  1782. how to tell if F(s) is laplace transform?
  1783. D’Alembert’s reduction principle
  1784. Using substiution of the form v=1/y^k to solve 1st order DE
  1785. How do I integrate this? x/(x^2-1)^.5
  1786. vector integral
  1787. Series expansion
  1788. Mechanical ad Electrical vibration EASY question please help???
  1789. Nonlinear Dynamical Systems: Book Suggestions
  1790. mx''+dx'+kx=constant*t^2*cos(constant*t^2) ???
  1791. Second Order Linear Equations
  1792. Integrating Factor Question
  1793. Asymptotic behaviour of 1st order ODE
  1794. ¿unsolved problems in differential equations?
  1795. I need some help understanding eulers method.