Notes Definition and 207 Threads

  1. DeusAbscondus

    LaTeX An open source program to take notes in latex

    Hi folks, the subject line says it. I'm currently using geogebra as a note book in which to write "memory cards" in latex. You know the sort of thing: when you learn a new formula and want to keep it in virtual "card" form. I love Sticky Notes, but I can't get latex on to them. does anyone...
  2. L

    Where are Heisenberg's Lost Notes?

    i was reading a Murray Gell Mann interview and he mentioned that Heisenberg became a crank in his later years. I've tried very hard but I cannot find what Heisenberg was working on. My motivation is, there may be some bits of genius among that pile of crackpottery.
  3. X

    Can Intuitive Mathematics Be Applied in Everyday Situations?

    I came to these forums with the question how do I understand math intuitively. I joined and started this topic https://www.physicsforums.com/showthread.php?t=614527. I wanted to be able apply the methods quickly, without any calculation, so I could gain some further understanding. I read a few...
  4. J

    Weak Duality Theorem (according to my course notes)

    Homework Statement Weak Duality Theorem. If x ε ℝn is feasible for P and x ε ℝm is feasible for D, then cTx ≤ yTAx ≤ bTy. Thus, if P is unbounded, then D is necessarily infeasible, and if D is unbounded, then P is necessarily infeasible. Moreover, if cTx = bTy with x feasible for P and y...
  5. A

    Program / Software for class notes and summaries

    Hi there, does anyone know a software or program that i can use to quickly sketch / draw and write as if i was writing in pencil ? For instance, paint is of no use, because it can't be edited. Photoshop is kind of hard to simply make straight or curvy lines without too much trouble. So...
  6. E

    Is There an Error in Converting I2 from Phasor to Time Domain?

    So we're converting these currents from phasor to time domain with ω=4. I understand I1, but not how the lecturer got I2, is this an error with the notes? We have these phasors: Which are converted to this time domain (respectively): Any help is much appreciated.
  7. M

    What are some helpful resources for writing math notes in LaTeX?

    I want to make my own math notes in the same style as this. Anyone know the program that is used? It is the easiest to read font I have ever read in my life! http://www.math.cornell.edu/~bterrell/dn.pdf
  8. PhizKid

    What is the Best Tablet for Taking Notes?

    I'm looking to buy a tablet to take notes at school, because I write much faster than I type and I don't want the clutter of physical loose leaf paper or go through the trouble of transcribing my notes onto the computer, not to mention having to draw diagrams with my mouse which is a nightmare...
  9. A

    Good notes on wire models in digital circuits

    Hello everyone. I'm trying to do a homework in digital integrated electronics class and feel like I can finish it only if I had a good set of notes. I have problems like comparing the input capacitance of a Mosfet to a wire of certain length, getting RC time loss in a wire, power...
  10. fluidistic

    Not understand online notes on the Green function

    Homework Statement I'm trying to self study Green function and I can't follow the very last step of a demonstration in an online notes (that I attach in this post). Page 7 to 8. Basically he says that from G_{tt}(t,t')+\omega G(t,t')=0 for all t>t' with the conditions G(t,t'+\varepsilon)=0...
  11. R

    Descriptive kinetics notes needed

    We are currently going over Kinetics in my AP Chemistry class but I am struggling with kinetics, our book is not very clear and tackles on several ideas at once making it hard to understand. My teacher is also not very helpful, sadly. I have been searching for some notes on Kinetics but have not...
  12. A

    What Are the Best Study Materials to Master New Topics?

    You must have worked with some (books, lecture notes or internet materials) which make you master new topics. Could you suggest your choice to all? I want to follow others' track to study. If you got a nice material, you can generously upload and share the links of the lecture notes and...
  13. E

    Reading and Taking Notes (or Not)

    So I'm starting to review Calculus and I was wondering what you guys do for taking notes from textbooks since I don't normally take notes and I would only read the text when necessary. I am debating taking the following options: Just reading the book (probably least effective) Reading and...
  14. C

    Tips on Taking Notes for Math-Heavy Courses

    Hi! I'm new to college so i have a few questions. What specific things do you pay attention to when in a mathematics heavy course? Have you tried using tablets or laptops to take notes? For those of you that have used tablets do you have a recommendation for a specific tablet and programs?
  15. A

    Studying Are Lecture Notes Useful for studying?

    One day I borrowed a book published by Springer (For learning Mechanics). I find it very difficult to follow. Later, I discover that it is in fact Lecture Notes. I am only a yr 1 physics student, but I want to explore as many area in physics as I can. My question is, are Lecture Notes such as...
  16. Z

    Lecture notes in The Differential geometry of Gauge theory?

    Hi all , How can I find lecture notes on ArXiv ? I was looking for lecture notes on Yang-mills theories treated in the language of differential geometry but didn't succeed till now . Can some one recommend me some good resource for it?
  17. H

    What are some introductory notes on integration?

    For fun, I wrote some notes on integration which should provide a good solid introduction to the subject. They are not analysis notes but more of a first introduction to integration. Any (constructive) comments or suggestions are always welcome. Mat
  18. G

    Taking Notes in Physics: Finding the Right Notebook

    How do you take notes for physics classes and what note books(Brand) do you use? Before I just to take notes on line paper and put the notes into a binder, but now I found taking notes in a notebook easier to organize(and harder to skip class). I'm trying to find some good quality notebooks...
  19. D

    Probability Notes: HK Syllabus & Recommendations

    I have made some study notes on probability. Please have a look and see if there are recommendations. I'm forced to follow the syllabus in Hong Kong so I had to add some boring and nonsense stuff inside (unfortunately).
  20. J

    Writing author notes in REVTeX 4.1 for PRL

    Hello, I am currently writing a paper for submission to the PRL. I wish to put in a note after the names of the first two authors, stating "These authors have contributed equally to this work". I would like to solicit the help of the Physics Forums community in knowing how to do this. In some...
  21. P

    How 2 Notes Combine on Piano Keyboard

    A friend of mine says they can tell which 2 notes are being played together on a piano keyboard. How can this be if the 2 notes combine to form a single wave (sum of the 2) ?
  22. S

    Who wrote these Linear Algebra Notes -Thomas?

    Let's see if anyone can identify the author of some 1980's lecture notes on introductory linear algebra. I bought this bound set of lecture notes in a used book store. The title stamped on the binding is "Linear Algebra . Thomas". These are images of 8 by 11 1/2 inch typewritten pages...
  23. D

    Is Abstract Algebra the Key to Unlocking Mathematical Concepts?

    I have started to write Abstract Algebra notes as I am learning them, and typing them with LaTex afterwards. I have just done a bit but I want some of you to help and see if I have got any thing wrong (having the wrong concept in your mind can have terrible consequences) or anything else to make...
  24. I

    Lamé's equations - wrong notes given? Please help, exam on Monday

    Homework Statement This relates to using Lamé equations to find the stresses on a thick cylinder, but there are problems with our notes and the exam is on Monday. For an exam question, the formula I've been given is that sigma r (radial stress) = a + b/r^2, but in the notes...
  25. marcus

    What makes Lie Groups a crucial theory in modern dynamics and beyond?

    http://arxiv.org/abs/1104.1106 Lecture Notes in Lie Groups Vladimir G. Ivancevic, Tijana T. Ivancevic (Submitted on 6 Apr 2011) These lecture notes in Lie Groups are designed for a 1--semester third year or graduate course in mathematics, physics, engineering, chemistry or biology. This...
  26. R

    Ipad for taking notes in class (or other gadget?)

    I am about to start Uni' in a few months and I have been thinking of getting a kindle for books and hopefully for textbooks. However I got the understanding an Ipad does better with pdfs a research papers. I am planning to start my undergrad studies in math. is it feasible to use an ipad...
  27. G

    Searching for Lecture Notes on Lie Groups from Physics Course

    Hello! Is someone aware if there are lecture notes about Lie Groups from a physics course? I would to study an exposition of this subject made by a physicist. Thank you in advance!
  28. K

    A confusion from David tong's notes on QFT

    Notes: http://www.damtp.cam.ac.uk/user/tong/qft/three.pdf On page 59, in deriving 3.48, from the first step to the second step, why can we just insert |0><0| like that?
  29. T

    Anyone know of good online chemistry notes?

    i'm taking the first semester of intro chem (major-level) and i was wondering if anyone knows of good online notes to supplement what i learn in class? thanks so much :)
  30. L

    Studying Which is more effective for learning: Textbook or Lecture Notes?

    I was wondering if there is any compelling reason to read the assigned book instead of lecture notes either from the actually professor of the course you are taking or from another another source online as opposed to the book if they seem to cover the same material. Currently, I in my 3 "real...
  31. L

    Understanding General Relativity: Questions on Page 11 of Notes

    Hi. I'm reading these notes: http://arxiv.org/PS_cache/gr-qc/pdf/9707/9707012v1.pdf and have a few questions. (i) On page 11, why is equation (2.1) true? Where does this come from? I guess the timelike feature manifests itself as the minus sign at the front but I could really just use...
  32. Y

    Relating musical notes to vibrations in steel rods(comb)

    Homework Statement this is a design course project, and I am trying to replicate a music box but with my own choice of music. the concept is the same, a steel comb, being plucked at by protrusions from a rotating cylinder. ok, so the vibrations of each comb tooth are related to the length of...
  33. C

    Need Notes for Class 11 NCERT Book [Physics]

    Hey friends I need some simplified notes for class 11 ncert physics Thanks
  34. L

    Help Understanding Dirac Equation in Notes

    I have a very simple question about the Dirac equation that I just cannot see the answer to. In these notes: http://www.damtp.cam.ac.uk/user/tong/qft/qft.pdf In equation 4.115, I keep getting u( \vec{p} ) = \begin{pmatrix} \sqrt{p \cdot \sigma} \begin{pmatrix} 1 \\ 0 \end{pmatrix} \\ \sqrt{...
  35. Shackleford

    Where can I find helpful lecture notes for Spin and angular momentum?

    I have a feeling I'll need something to supplement my Gasiorowicz textbook.
  36. H

    Math Course Notes: Downloadable Resources

    I teach an introductory maths course which includes function, algrbra, co-ordainate geometry, quadratic equations, limits, differentiationm trigonometry, exponentials, logartithms and complex numbers. Is there a way I can post these notes somewhere on this site for people to download?
  37. J

    Can you verify if there is a error in the notes or i am just stupid.

    as uploaded. I think the example is very weird. Why we can use conservation of momentum? There is external force! thx.
  38. H

    Are Unnecessary Details in Lecture Notes Confusing for Students?

    I have attached a lecture note which is meant to provide understanding on the following learning outcomes. appreciate the distinction between the macroscopic and microscopic views of matter understand the main qualitative differences between solids liquids and gases at the microscopic...
  39. G

    Lecture Notes - Introduction to GR

    I would like to know if anyone who had a good introductory GR course would mind sending me the scanned lectures notes if this person has them. I think textbooks have too many words and I prefer to study lecture notes. I am sorry if this was not the correct place for my post.
  40. K

    Is There an Ideal Tool for Taking Physics Notes?

    Didn't know what section to really post this, but exam time approaches. And we all know what that means. That's right, procrastinate by doing the most mundane things just to avoid studying! Last year was adding lyrics and album art to every song on my iPod. Took about a good 8 days. This time I...
  41. fluidistic

    Solutions to Maxwell's equations, I don't understand the notes provided

    I just finished the first week of the term. It was very loaded I must say. I also ended my introductory courses and I'm now taking upper level undergraduate physics courses. My professor wrote notes for us because he doesn't really like Jackson's book, but I'm having a very hard time to...
  42. J

    Sherlock Holmes Movie Night: Mystery & Notes!

    My wife informs me that next weekend I want to see the new Sherlock Holmes movie with her. She likes murder mysteries in general and she especially likes the Sherlock Holmes series with Jeremy Brett. I don't mind seeing all those dead bodies on the TV, but I wish she wouldn't take notes while...
  43. Astronuc

    Nuclear Physics Notes: A Summary from Canada

    I nice summary from Canada which gives some basics that apply to nuclear energy and power reactors. http://www.nuceng.ca/igna/physicsfull.htm
  44. J

    Exploring US Currency Exchange and Counterfeit Notes

    Hi all, I've just returned from a trip to the US, California... Disneyland...Sequoia and Yosemite Nat. Parks. Incredible! While in Anaheim, I cracked several US $50's and $100's. I was provided with 10 x US $100's at a Sydney Airport currency exchange. I wanted to enhance my foreign...
  45. V

    Computer Science Lecture Notes - CSEE.WVU

    http://www.csee.wvu.edu/~ksmani/courses/courses.html
  46. T

    Revisiting Green's Theorem: Notes & Videos

    any good notes/videos concerning green's theorem in plane? unfortunately missed my double lecture on it due to illness
  47. P

    A bunch of Classical Mechanics online Resources( lecture notes)

    Tell me you love me. http://www.phys.psu.edu/~lammert/419/notes.html" http://www.physto.se/~ingemar/anmek.pdf" http://www.phy.ohiou.edu/~rollinsr/phys605/" http://farside.ph.utexas.edu/teaching/336k/336k.html" http://www.damtp.cam.ac.uk/user/tong/dynamics.htm"...
  48. E

    GR weak field approx. problem with Dunsby's notes

    Hi again, Thaks for previous help. I am self studying GR using Schutz and Dunsby's webpages & notes. I am stuck on a step in the derivation of the weak field approximation. They approximate the metric with g[a][/b]=n[a][b]+epsilon h[a][b] In step 7.30 the partial derivative h[i][0],[0]is...
  49. C

    How Can I Differentiate Various Group Types in Algebra?

    THese days. I am trying to tidy up with my summary notes. I got surjective homomophism, isomorphic, and cyclic group, Subgroup, normal group, symmetric group, Quaternion group, and quotient group. How to distinguish them. Is there any tric to understand and remember these. I am...
  50. Astronuc

    Are you ready to dive into linear analysis with Volker Runde?

    Notes on Linear Analysis from Volker Runde, Department of Mathematical and Statistical Sciences, University of Alberta http://www.math.uAlberta.ca/~runde/files/math516-notes.pdf 1. J. B. Conway, A Course in Functional Analysis. Springer Verlag, 1985. Other recommended books are: 2. B...
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