
What are the advantages and disadvantages of MATHCAD, MATLAB, maple and mathematica?
Which one do you use, and why?

Jul2214 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...

Oct1712 06:24 PM
Gertlex

17 
195,729 
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...

Jun714 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...

Sep2510 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...

Jul1511 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...

Aug311 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.
...

Nov1511 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...

Nov1808 01:58 AM
PerennialII

3 
7,312 
Hi,
I am using Comsol with Matlab. I have a loop in my Mfile. And it seems that the memory usage of my program...

Jan1711 11:28 PM
danielgr

1 
7,187 
Hi,
If I have several figures defined in my mfile (figure(1),... figure(10)), is it possible to define at the end...

Dec109 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
...

May212 04:50 PM
AlephZero

2 
1,272 
% Calculate the vapor Pressure of nheptane using SRKEOS
% P = RT / V  b  alpha*a / V(Vb)
R = 8.134e3; % MPa...

Feb1112 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...

Mar2512 10:04 AM
qazinasir

0 
1,606 
I made a userdefined function for Height.
function Ht=Height(t,V,Theta);
Ht=V*t*sin(Theta)4.9*t.^2;
end
V is...

Nov712 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;

Jun712 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...

May308 01:27 PM
Kreizhn

3 
3,524 
I have this assignment:
https://vula.uct.ac.za/access/content/group/317a243ad9264470804c7d46e296ab63/ass3_07.pdf...

Sep1707 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...

Oct2207 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...

Mar1008 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...

May1308 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...

May2208 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

Jan2207 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...

Jul1708 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...

Apr2812 05:01 PM
quansnow

0 
1,945 
Two criteria
1. Freely Available
2. Large support for additional scientific libraries/packages/modules for reuse
...

May2514 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...

Feb910 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...

Oct1410 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...

Mar2709 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...

Dec313 07:43 AM
kreil

5 
1,780 
I'm writing up a document in the standard twocolumn mode, but there's a figure I want to insert that needs to occupy...

Mar1510 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...

Apr2210 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?
...

Dec604 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...

Oct406 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...

Jan1112 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...

Mar1308 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...

Jun1208 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....

Jul709 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...

Jul412 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...

Nov1613 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...

Aug113 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...

Jun1209 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...

Jan2410 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...

Apr2509 03:59 AM
questions_uk

0 
1,429 