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Jan16-12 Greg Bernhardt
What are the advantages and disadvantages of MATHCAD, MATLAB, maple and mathematica? Which one do you use, and why?
Jul22-14 10:36 AM
shadi_s10
49 128,653
What is this?:This is a list that contains hotkeys and short cuts designed to make your time writing equations in...
Oct17-12 06:24 PM
Gertlex
17 195,729
editor, latex Sticky Thread Pinned: Best Latex Editor? ( 1 2)
What's a good freeware latex editor? I've been trying to install LEd, but it's not going smoothly, so I don't want...
Jun7-14 08:10 AM
freshman123
26 72,591
If I produce two different sets of data with ode113, that are based on the exact same inputs, but one is longer than...
Sep25-10 04:03 PM
Pythagorean
1 1,318
So I ran an ODE solver with an additional, random (using randn) injected input. Then I took the same ODE solver and...
Jul15-11 05:13 PM
Pythagorean
4 1,560
I get different results from these two functions. I need a fresh pair of eyes to help me find the discrepancy. The...
Aug3-11 10:03 PM
Pythagorean
3 887
Hi, first of all, sorry if my English is not perfect I'm from Quebec City and English is not my first language. ...
Nov15-11 05:24 PM
PythagoreLove
3 982
Hi, Is there anyone who can help me with COMSOL Script? Is there anything wrong with this statement: flclear...
Nov18-08 01:58 AM
PerennialII
3 7,312
Hi, I am using Comsol with Matlab. I have a loop in my M-file. And it seems that the memory usage of my program...
Jan17-11 11:28 PM
danielgr
1 7,187
Hi, If I have several figures defined in my m-file (figure(1),... figure(10)), is it possible to define at the end...
Dec1-09 09:49 PM
nbo10
1 1,181
Hi. Let's say there is a need to recreate a primitive plot like http://img27.imageshack.us/img27/6001/graz.png ...
May2-12 04:50 PM
AlephZero
2 1,272
% Calculate the vapor Pressure of n-heptane using SRK-EOS % P = RT / V - b - alpha*a / V(V-b) R = 8.134e-3; % MPa...
Feb11-12 08:59 PM
qazinasir
2 1,218
I am wondering if someone could help me in dewpoint and bubble point calculation of Hydrocarbons mixture , I have made...
Mar25-12 10:04 AM
qazinasir
0 1,606
I made a user-defined function for Height. function Ht=Height(t,V,Theta); Ht=V*t*sin(Theta)-4.9*t.^2; end V is...
Nov7-12 05:13 PM
coalquay404
1 1,106
Code: mu12=5; mu123=20/21; z1=1:15; z2=-10:0.05:10; counter=1; index=1; count=1;
Jun7-12 03:07 PM
D H
1 1,053
> f:=(x+(3*y)-1)*exp^(-(x^2(-(y^2)); > plot3d(f,x=-3..3,y=-3..3); After this, Maple says it is initializing a plot...
May3-08 01:27 PM
Kreizhn
3 3,524
I have this assignment: https://vula.uct.ac.za/access/content/group/317a243a-d926-4470-804c-7d46e296ab63/ass3_07.pdf...
Sep17-07 01:50 PM
qspeechc
4 6,009
http://www.physicsforums.com/showthread.php?t=191423&page=2 Skip to the end of page 2, anyone, help with the plot...
Oct22-07 02:53 PM
qspeechc
0 10,200
Can someone explain what Djvu (.djvu files) is, and I notice there are several versions one can get- which one should...
Mar10-08 06:02 AM
qspeechc
2 6,138
Hello everyone. How do you insert pictures into a LaTeX document? Say I have a jpeg, gif, or whatever, file, and I...
May13-08 11:34 PM
zyh
5 31,391
Hello everyone. I have a second order ODE, which I reduced to two first order ODEs, and solved with ode45. Now I...
May22-08 08:45 AM
qspeechc
2 2,544
how do u change the matrix that is in the eigenvalue computation tutor for maple 10? i have no clue how to use this
Jan22-07 11:22 PM
Quadruple Bypass
0 2,711
alright ive got to model a PMDC motor and a mechanical system attached to it this is what i have so far for the...
Jul17-08 12:30 AM
Quadruple Bypass
1 1,072
For d V/d t=AV + VA^{T}+ D, where A and D are the given 6*6 matrices, A= D=; in which the values of K,G1,G2,RM,N...
Apr28-12 05:01 PM
quansnow
0 1,945
Two criteria 1. Freely Available 2. Large support for additional scientific libraries/packages/modules for reuse ...
May25-14 11:51 AM
Quantizer
4 895
Hi, I wish to do math equations electronically. Can someone help me to find a good software? I heard there is such a...
Feb9-10 10:43 AM
hatsoff
1 1,130
i'm using basic graphics on matlab where i use text(x,y,'text as string') to display text on a plot. is there a...
Oct14-10 09:13 PM
quantum13
2 10,063
Hi i am finding difficulty in minimzing the following in mathematica. Can someone try it out and share with me the...
Mar27-09 10:03 AM
CompuChip
7 1,724
Hi everyone, this is my first post on the physics forums. I am trying to use the readtable command in Matlab to make a...
Dec3-13 07:43 AM
kreil
5 1,780
I'm writing up a document in the standard two-column mode, but there's a figure I want to insert that needs to occupy...
Mar15-10 04:40 PM
cristo
4 9,160
I think this command exists, but I can't remember what it is. Suppose I have a document that takes up maybe three...
Apr22-10 01:58 PM
kbaumen
1 1,736
What do I need to do to be able to create PDF documents and be able to write in LaTex in them like on this forum? ...
Dec6-04 01:29 AM
ComputerGeek
6 4,438
In the "proof" of the theorem, my course notes defines P_r(t) as the probability to find the system is state r at time...
Oct4-06 09:43 AM
marcusl
1 1,238
How would I go about to write in latex (not the PF version, the actual thing) a function? By that, I mean when you go...
Jan11-12 07:04 PM
jhae2.718
7 932
I'm really quite sure at this point of my undergraduate education that mathematical physics is the answer for me - I...
Mar13-08 03:01 PM
mgb_phys
9 4,557
I defined x as a syms, then work with polynomials involving x. But then I can't find an evaluation command for these...
Jun12-08 09:40 PM
qubits135
0 2,514
I am trying to install Latex into a vBulletin forum without success. The server hosting the forum is linux based....
Jul7-09 06:50 PM
quddusaliquddus
0 1,232
i understood the concept in c program but i am really having a hard time converting it to matlab can anyone please...
Jul4-12 02:20 PM
queenstudy
0 1,277
hello i just copied the Numerical Code for the NLS equation which is the following: %---specify input parameters...
Nov16-13 08:34 AM
DrGreg
4 1,513
Hi everyone, I'm trying to learn using R, having the background of a theoretical physics PhD. What I would need is...
Aug1-13 02:17 PM
harborsparrow
1 1,420
hello everyone, as a theoretical PhD student I came up (I'm sure I'm not the first ;) ) with an idea. Many times...
Jun12-09 02:19 PM
chroot
3 2,427
I'm attempting to get an output of a specific cartesian oval (or oval of descartes, the perfect imaging system in...
Jan24-10 03:40 PM
Phrak
1 1,711
Hi. Does anyone have experience with these programs? In particular loading a data set (which I have done already, but...
Apr25-09 03:59 AM
questions_uk
0 1,429

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