Intro Definition and 563 Threads

  1. T

    Comparing Intro to Linear Algebra Books

    Can you recommend one these book as a first andd concise introduction to linear algebra ,which is better?: Linear Algebra (Dover Books on Mathematics) Georgi E. Shilov https://www.amazon.com/dp/048663518X/?tag=pfamazon01-20 Linear Algebra: A Modern Introduction David Poole...
  2. Astrum

    Best Intro to Quantum Mechanics: Griffiths vs Dirac

    What is the best intro to QM? I was settled on Griffiths, but it seems there are only two kinds of people in this world, those who recommenced Griffiths, and those who strongly don't recommended it. I'll give a bit of background, so I can get the best possible recommendations. I'm...
  3. QuantumCurt

    How important is basic geometry for intro physics?

    Hey everyone, I was hoping to get some input on this question. I'm starting up an algebra based general physics sequence this fall, and I'm wondering how important basic geometry is going to be for it. I've never actually taken geometry, but I've done a decent amount of self study. I went...
  4. R

    Programs Math major to take intro physics: calculus or non-calculus based?

    I'm about to take vector analysis and abstract algebra, so I'm pretty far along in my undergrad math program (passed Calc III, DE II, LA, and Transition to Higher Math). Realistically I could finish off the core math requirements in one year for my B.A. However, I want to expand and take some...
  5. D

    Good intro to neural nets book?

    Any suggestions? I'm coming from a math/crypto background.
  6. W

    Looking for a good intro text for game theory

    Hey all, so my university's game theory course never runs due to lack of students signing up for it, so I'm taking it upon myself to learn what I can about this fascinating subject. I'm specifically looking for a game theory text which is: a) introductory b) for upper-level math undergraduates...
  7. T

    Lang or silverman or ?( intro calculus)

    I've just bought(and borrowed) these books : A first course in calculus by lang(621 pages but apparentely I've heard it lacks exercises(not enough)) Essential Calculus with Applications by silverman(286 pages apparently very good exercises) or The calculus lifesaver by Banner(about the same...
  8. M

    To take Intro physics class or not to take intro physics class

    Hi, fellas, I am back again with more questions.:smile: Those who've seen my posts here might recall that I have never been exposed to physics ever before, and now majoring in Chem E, I'll be taking loads of it. I've delayed taking the physics 1 until spring next year because it's calc based...
  9. T

    Simple intro lvl question about Op-amps

    Homework Statement For inverting op-amps Vout = -Vin(R2/R1) But I've no clue what happens when you add third resistor with a voltage source to the amplifier. Is there a general gain equation for such circuit? See the attached problem in the image. Homework Equations For...
  10. C

    Which Intro Book is Best For Chemistry?

    Hello all, I recently received a job doing pharmaceutical sales. So I need to brush up on some of chemistry (took it 7 years ago, don't remember much). My girlfriend is a chemist so I can use her for help if I get stuck on something I don't get, but besides that, what is the best intro book...
  11. P

    Good intro resource for VASP/Computational Physics

    I'll be starting a summer research thing soon which involves using VASP to do materials science/electron structure calculations. I've only taken a semester of quantum mechanics. What are some good intro resources for this subject area?
  12. E

    Trigonometric identity from Euler's intro to analysis of infinite

    So I'm trying to get through euler's introduction to the analysis of the infinite so I could eventually read his books on calculus but I'm stuck somewhere and can't seem to figure out how he equates this identity so by expanding I get sin(2y) * cos(z) + cos(2y) * sin(z). I get that the...
  13. L

    Best Classical Mechanics book (not intro to mechanics)

    Hello folks. I am taking some courses next semester over at Wayne, one of which is a 500 level, graduate level difficulty mechanics course. It's the course typically taken at the 300 level. I was wondering if anybody knew of a great book for this course at this level. I have both Taylor and...
  14. S

    Expected value for momentum and x, intro to quantum mechanics.

    Homework Statement Consider first a free particle (Potential energy zero everywhere). When the particle at a given time is prepared in a state ψ (x) it has <x> = 0 and <p> = 0. The particle is now prepared in Ψ (x, t = 0) = ψ (x) exp (ikx) Give <p> at time t = 0. It can be shown that in...
  15. L

    Intro to combinatorics verification

    Homework Statement There are 7 different routes from A to B, 4 different routes from B to C, and two different routes from C to A. What are the possible routes from A to C and back, allowing any route to be traversed once in each direction.Homework Equations The Attempt at a Solution So I think...
  16. N

    Intro chem help Visible light spectrum? and energy of photon? help

    on a visible spectrum scale what are the numbers for the colors of ROYGBIV? for example is violet 400-500nm and red is 700-800nm? how about the other colors? If the energy of a photon is 2.63 x 10^-19 J, how can we tell what color this is? i was looking at this electromagnetic spectrum and it...
  17. N

    Engineering Help with intro circuit analysis problem Thevenin and max power prob

    Problem #1: What i did so far was I source transformed the left side with the Io and 4Ω into a voltage of 4Io. Then i did mesh analysis, io and i2. the eq'ns i got are 4vx - 2I2 - 2Io = 0 10i2 - vx - 2io = 0 IM not sure if this is right but does i2 = vx/4?? because of I = V/R? I worked...
  18. L

    Learning Intro PDE: Farlow vs Hillen vs Pinsky

    So I am currently a math undergraduate (senior though) taking an introduction partial differential equations. We are using the PDE book by Farlow (Dover reprint). It seems to be a solid book though my professor does diverge from the methods used in it fairly regularly (like not making...
  19. E

    How to rewrite x/ (x-2) > 2 in the form P(x)/ Q(x) > 0?

    Solve x/ x-2 >2 by first rewriting it in the form P(x) / Q(x) >0 How do I go about first rewriting it into that form?
  20. N

    Hard intro circuit problem help please im stuck on this one for hrs

    http://imageshack.us/photo/my-images/585/circuitzzz.png/ i thought maybe i should ignore everything that is on the right side of the 3v and just focus on the left side. but this one is not looking too good for me. any ideas on this one??
  21. V

    Intro to Physics problem dealing with speed and distance

    Homework Statement A bug crawls outward from the center of a CD spinning at 200 revolutions per minute. The coefficient of static friction between the bug’s sticky feet and the disc surface is 1.2. How far does the bug get from the center before slipping? What is the speed of the bug just...
  22. N

    Intro to circuit analysis, Solve all the loops in this current? help

    I was able to solve this pretty easily using mesh analysis, but what other ways can you use to solve this circuit? http://imageshack.us/photo/my-images/259/circuita.png/
  23. V

    How Many People Can an Elevator Hold Without Breaking the Cable?

    Homework Statement 1) An elevator cable can withstand a maximum tension of 19,500N before breaking. The elevator has a mass of 490 kg and a maximum acceleration of 2.24 m/s2. Engineering safety standards require that the cable tension never exceed two-thirds of the breaking tension. How may...
  24. S

    Intro to Number Theory: Best Books for Beginners

    Can anyone suggest a good book on basic number theory or an introduction text to it. I have been looking but don't have much of an idea on what to use. Thank you.
  25. T

    Looking for a Portable Astrophysics Book? Check Out the Nexus 7 32GB!

    Hi - I recently bought an old edition of carroll ostlie real cheap and I'm not too motivated because the book is gigantic and unwieldy. anyone know of a good intro astrophysics book on that level but in a fun-size/portable? :D Thanks
  26. F

    What are some good introductory physics textbooks and teaching strategies?

    Hello everyone, I just graduated from college, but I never took introductory physics. Of course, this lead to some "interesting" situations (learning about friction and torque in classical mechanics, for instance). Since I'm going to graduate school, I'm purchasing textbooks, but I have...
  27. M

    Can someone who knows Quantum Mechanics tell me if this video is a good intro?

    Hi guys, I have recently come across a video on YouTube which gives you a brief intro to Quantum Mechanics/Physics. Can someone tell me if this video is accurate? Could someone suggest some introductory reading or resources for learning QM? Is it even accessible to a 15 year old? Should I just...
  28. P

    Why is intro physics difficult for me?

    By intro physics I mean calculus based Physics I (Newtonian physics). I'm a freshman planning on majoring in CS and this is my first semester in college. I'm doing well in all my other courses, all A's (calc, intro to CS, others)... but physics, man. I'm not kidding when I say, with a 5...
  29. C

    Intro to Analysis and Groups textbooks

    I am doing an introductory analysis and groups course next semester and I have a couple of questions about books. The course textbook is 'An introduction to Analysis' by W R Wade. Can anyone tell me if/when a new edition is expected and if not, what the current edition of the book is? I tried...
  30. qspeechc

    LaTeX Pdf of Not So Short Intro to Latex

    Pdf of "Not So Short Intro to Latex" Hi everyone I'm trying to download "The Not So Short Introduction to LaTeX2e" by Oetiker, but every link I try I get the message "This webpage wants to run the following add-on: 'Zeon Corporation' from 'Zeon Corporation'." Then I am asked if I want to allow...
  31. L

    Mathematics used in optics and intro to modern physics

    Hello. I am taking intro to modern physics and optics next semester, the intro to modern physics is a 300 level class and the optics course is a 500 level class, at Wayne State University. I want to come into next semester very well practiced in the math needed for those classes. Could...
  32. G

    Study techniques for intro to Chem?

    I took AP Chemistry in high school and loved it and I made an A. I am taking an introduction to chemistry at my Uni, and we just got back the results of our first exam. I made a 63% on the exam and I am not happy with my performance. The class average was a 30% but that doesn't affect my...
  33. K

    Engineering Intro EE - Voltage Divider Design circuit

    The link is an image with the question and circuit representation: http://i49.tinypic.com/2mmwg8l.png Here are the equations I used: V_out/V_in = R_2/(R_1 + R_2) {using the node method} R_thevenin (R_th) = R_2*R_1/(R_1+R_2) And given the conditions => 10 < R_th < 30...
  34. H

    Need a good real analysis book for undergrad intro course

    Need a good real analysis book for undergrad "intro" course I'm a computational math major (double majoring with MechE) and basically I'm required to take an "intro" (400 level) real analysis sequence with the comp. math department. This course is shaping up to be an incredibly nasty surprise...
  35. M

    Schools College Physics - Intro Physics for majors

    College Physics -- Intro Physics for majors So, I'm taking College Physics and were using...College Physics(strategic approach) by Knight, volume I. My approach to getting an A in the course is to study 3 times as many as the assigned homework problems(Only about 12 a week!), chew through...
  36. dkotschessaa

    Differential Equations Intro material

    Homework Statement What function do you know from calculus is such that its first derivative is a constant multiple k of itself? (Do not use the function f(x) = 0.) Homework Equations The previous question asked what function was a derivative of itself - with the pretty easy answer...
  37. B

    Intro to Proof Class: Velleman's How to Prove It

    I'm taking an intro to proof's class this semester. What are your thoughts on Velleman's How to prove it book? Are the exercises easy or hard to do?
  38. M

    What are the best intro books for topology?

    I'm sure this has already been a thread but I'm currently taking my first analysis course and I was wondering (because the tiny bit I've been introduced to so far is so interesting) what the best intro books to topology would be. Thanks!
  39. 1

    Intro to computer/information science?

    I plan to study a math degree but I'm somewhat intrigued by computer/information science, and it's links to things like neuroscience and machine learning. Eg. just flicking through a few pages of this: http://www.amazon.com/dp/0521642981/?tag=pfamazon01-20 really fascinates me, though I...
  40. P

    Completion of Metric Space Proof from Intro. to Func. Analysis w/ Applications

    Completion of Metric Space Proof from "Intro. to Func. Analysis w/ Applications" Homework Statement I have started studying Functional Analysis following "Introduction to Functional Analysis with Applications". In chapter 1-6 there is the following proof For any metric space X, there is...
  41. F

    Grade 11 Intro to Physics question - distance a football travels

    Homework Statement How far will a football travel when it is thrown at 62 km/h at an angle of 35° to the ground? Homework Equations V1v = v1 sinθ; Δd= V1v * Δt + 1/2 * (-9.8 m/s^2) * Δt^2; The Attempt at a Solution V1v = v1 sinθ V1v = 17.2 m/s sin35° [up] =9.9 m/s [up] Δd= = V1v...
  42. C

    Intro Independent Probability Question

    Homework Statement The probability of a student losing his library card is X each time he goes to the library. He goes to a different library 5 times a week, starting from Monday and ending on Friday. 1)At the end of the day on Thursday, he finally checks his wallet and realizes his library...
  43. K

    Book: Swendson intro to statistical mechanics and thermodynamics

    hi! i study statistical mechanics from this book at the moment and I'm a little bit confused somtimes. i thougt if anybody else is using this book, we could discuss and clarify confusions (or errata) here. please let me know if anyone is out there... greetings!
  44. Dembadon

    Intro to Proofs: Properties of Relations

    Hello, I would like to check my arguments for this problem. Homework Statement Consider the relation R = \{(x,y) \in \mathbb{R} \times \mathbb{R}: x-y \in \mathbb{Z}\} on \mathbb{R} . Prove that this relation is symmetric, reflexive, and transitive. Homework Equations Supposing a relation...
  45. N

    Taking Intro to Linear Algebra, Probability, and Vector Calc in same semester?

    Hi, is it a bad idea to take Intro to Linear Algebra Vector Calc for Applications (Marsden) Intro to Probability (book called first course in probability by ross) .. in the same semester? This semester I took discrete math and Calc 1 at the same time and it was pretty time consuming but...
  46. B

    Intro to Analysis (Differentiation)

    Homework Statement Prove or disprove: Suppose f:[a,b]->R is continuous. If f is diff on interval (a,b) and f'(x) has a limit at b, then f is diff at b. Homework Equations We say that f is differentiable at x0 to mean that there exists a number A such that: f(x)=f(x0)+A(x-x0)+REM...
  47. A

    Intro to Logic: Constructing Proofs

    Hey, I'm new to the forum so I'm not sure if I posted this in the right section. I'm taking Intro to Logic and I'm having some problems. Proofs: Construct proofs for each of the following symbolic arguments. Commas are used to mark the breaks between premises. (Each proof can be completed in...
  48. R

    Intro To real analysis problem

    Homework Statement a) Find f ([0,3]) for the following function: f(x)=1/3 x^3 − x + 1 b) Consider the following function : f(x) = e^(−ax) (e raised to the power of '-a' times 'x') a, x ∈ [0,∞) Find values of a for which f is a contraction . c) Prove that for all x,y ≤ 0 | 2^x −2^y | ≤ |x−y|
  49. V

    Parametrization question for my Intro. to Higher Math Class

    Two objects A and B are traveling in opposite direction on a straight line. At t=0 A and B are at positions P(A)=(-40, -20) and P(B)=(190, 980), respectively. If additionally, their paths are parameterized by directions V(A)=(3,5) and V(B)=(-24, -40), respectively. Then, a) find the point...
  50. T

    Load on Bridge Trusses for Intro to Engineering

    Homework Statement Calculate the load on each member Homework Equations \sum \tau=0 -because it isn't rotating. \sum F =0 - because it isn't moving. \tau = Fd\sin \theta - to take the torque at any point The Attempt at a Solution I can calculate the torques at each point. I...
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