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| Title | Author | Views/Replies | Posted at |
 ManifoldDoes any one know the anything about manifolds and their application to relativity? |
htc2498 | 6/2 | 2008/8/26 21:30 |
| Need hyperphysics/Physics2000 Materials CD Hi Friends, Do any of you have hyperphysics/Physics2000 materials with you? If you have, will you share it with me? Thanks in Advance. Regards, Selin. |
wyslnhhh56 | 8/3 | 2008/8/26 21:27 |
| Black hole I would like to know the answers of the following questions:- 1. Could laws of physics be applicable in the black hole? If yes, to what extent ? 2. Could people (or astronauts) inside the schwar... |
stgod | 5/11 | 2008/8/26 21:23 |
| vector analysis---WRONG!!! What is the wrong in the proof that there is no magnetic field? We know: div B=0 and B=curl A where B is the magnetic field and A is its vector potential Then,∫div B dV=0=∫B.n dA(div... |
htc2498 | 7/4 | 2008/8/26 21:24 |
| real simple question: what is light so here is the story. my friend asked me what is light. i took a long time telling a story of light as particle and wave with photoelectric effect and compton scattering experiences. then a bit into m... |
netlgc | 8/9 | 2008/8/26 21:30 |
| Mathe Physics in German !! Do you know if there is in German language University - level books in Mathematics and Physics ?? I wish especially the Feymann Lectures in Physics in German. Regards George / Nuernberg - GER... |
fusarium | 12/4 | 2008/8/26 21:33 |
| How to separate Real Dear experts, I have problems to separate the real parts and imaginary parts. let says we have the following equations: y1 = (a^2-5*a 1-w^2 3*i*w)/(3*a^2 7*a-3*w^2 i*w) where i=j (imaginar... |
nnxd | 10/4 | 2008/8/26 21:25 |
| Question in hypergeometric distribution? Could you tell me how can I prove the equality N ∑ C(N,j)證(M,n-j)=C(N M,n) j=0 In probability books it is said that (in hypergeometric distribution) this equality is well known ... |
htc2498 | 7/1 | 2008/8/26 21:26 |
| inverse fourier transform help Hi everybody I want to take an inverse fourier transform of a very big function. I mean the integrand is very long and it covers 4 or 5 lines to write it only. So I have to use numerical method to ... |
398338 | 5/9 | 2008/8/26 21:32 |
| PLS HELP An alluminuim wire of 7.5meter long is connected in parallel with a copper wire of 6meter long. When a current of 5A is passed through the combination, it is found that the current in the aluminuim wi... |
naoge | 5/2 | 2008/8/26 21:23 |
| where did the current flow in pn junction? when it comes to pn junction in diode, p and n are doping semiconductors. if P and N semiconductor are contacting each other, some holes in P and some electron in N are combined. that is, they a... |
mxg330 | 6/8 | 2008/8/26 21:34 |
| Question about IEEE As far as I know IEEE is a very powerful source of information, which covers the majority of the branches of Science. I'm particularly interested in Digital Signal Processing, especially in Empirical ... |
mxg330 | 9/4 | 2008/8/26 21:24 |
| PHYSICAL INTERPRETATION OF HERMITIAN CONJUGATE I WANTED TO KNOW THE PHYSICAL INTERPRETATION OF HERMITIAN CONJUGATE WHICH IS EXPLAINED ONLY FROM A MATHEMATICAL VIEWPOINT EVERYWHERE. THANKS IN ADVANCE |
knoxville | 13/1 | 2008/8/26 21:23 |
| Problem finding the roots of a function Hi. I need to find the complex roots of a funcion, to check a method, so I can use it later to desing a filter. I have some problems. The function is this: Where ω1 |
edu | 5/2 | 2008/8/26 21:24 |
| laplace transform problem Hello all Quesion 1 :Some books define the definition of laplace transform as : Laplace{f(t)}=Integrate(f(t)*exp(-st)){from 0- to t} and some books define as Laplace{f(t)}=Integrate(f(t)*exp... |
anuo2008 | 15/3 | 2008/8/26 21:28 |
| Interpolation/function identification Dear Sirs, I want to measure temperature with some NTC's. The nature of these isn't linear, in the datasheet there is a table for resistance values in 5C(degree Celsius) steps. From that d... |
hualeyan | 8/3 | 2008/8/26 21:23 |
| monte carlo simulation can any one help me exactly where is monte carlo carlo simulation used and how it is differnt from other simulation methods. |
ken7976 | 13/5 | 2008/8/26 21:35 |
| Help in Maple I am trying to solve an equation in Maple, code is below > restart; > mu:=0.3; > q:=1.0; > r1:=sqrt((x mu)^2 y^2); > r2:=sqrt((x mu-1)^2 y^2); > u:=x^2 y^2 2*q*(1-mu)/r1 2*mu/r2; ... |
netlgc | 16/1 | 2008/8/26 21:28 |
| Kind of Simple but its bugging me? What will be the derivative of sat(y) function where lets say y=-2x1-3x2-5x3. or in general what will be the derivative of a saturation function. Thanx in advance. |
398338 | 12/3 | 2008/8/26 21:24 |
| Dynamics book I抦 desperate studying Engineering Mechanics Dynamics. I saw this on Amazon, A. J. Sadler and D. W. S. Thorning Understanding Mechanics book ISBN: 0199146756. Does anyone here have already read the... |
nnxd | 16/2 | 2008/8/26 21:24 |
| Unstable Periodic Orbits What Is UPO? Exactly I Wana Know How To Identify Them In A Chaotic system? |
z4120356 | 9/2 | 2008/8/26 21:27 |
| Bivariate random variables I am in a probability course, sometimes I come across with concepts that I know are easy, but unfortunatelly, I have dificult to handle it. The question is : If C and D are events and X and Y... |
yutcxa | 15/3 | 2008/8/26 21:29 |
| Question on Molecular transistors? Can anybody tell me the basics of how a Molecular transistor does amplification? Has it been fabricated by anybody so far?? How long before it comes to the commerical product industry? regards, ... |
zunwang | 13/2 | 2008/8/26 21:32 |
| Math Mathematics site for beginner: http://euclid.math.fsu.edu/Science/math.html=Mathematics WWW Virtual Library of Florida State University http://nyjm.albany.edu:8000/mathjours.html=Electronic Journa... |
addxjyx | 43/1 | 2008/8/26 21:36 |
| [help] A matrix problem?? hello----all i use three method to find Exp,where a is a matrix A={{1,0,-1},{0,1,0},{0,0,1}} Method 1: use computer (mathematica) find Exp -> Exp={{Exp,1,Exp},{1,Exp,1},{1,1,Exp}} Method 2:us... |
btcdtc | 18/2 | 2008/8/26 21:31 |
| What is a xtp what does XTP & RPC stand for |
zunwang | 14/2 | 2008/8/26 21:33 |
| quantum hello,everyone!I am from china,I have download some wonderful vedio of mit about physics, thanks to mit.but I still want to download some vedioes about quantum lectures,but i find it hard to search ab... |
chdd | 9/4 | 2008/8/26 21:30 |
| ebooks-coordinate geometry I need good books for the following Topics 1)Co-ordinate geometry(line, circle,parabola,ellipse ...) 2) Vector Algebra I need lot of problems to solve (solution manual if available or books with ... |
lassa | 11/1 | 2008/8/26 21:27 |
| need ur help!!! if nay one have a solution manual of numerical analysis by burden faires ( 5th edition) kindly upload it or show the link to download thank u |
ken7976 | 16/1 | 2008/8/26 21:26 |
| ODE Book Hi everybody, which Differential Equations book is Better for Beginner, Blanchard or Edwards & Penney book? Which Student Solutions Manual of the Book is not “by doing this and this then you’ll get... |
dongyea | 11/3 | 2008/8/26 21:24 |
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