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 
177,020 
What are the advantages and disadvantages of MATHCAD, MATLAB, maple and mathematica?
Which one do you use, and why?

Nov1213 01:21 PM
Pythagorean

48 
116,376 
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...

Feb1514 11:29 AM
FrankFerrese

25 
65,221 
I can't come up with the code to solve for a and b in terms of x and y.
x + I y = Sqrt
In:= Clear
Solve, {a,...

Jan2010 06:56 PM
DaleSpam

11 
3,271 
Hello, I have a function to return the Normal, Binormal and Tangent vectors of a curve defined by lots of x,y,z...

Jan2110 12:14 PM
mpassman

0 
3,173 
Hi,
I ran this program:
P = Table, {i, 0, 3}, {j, 0, 2}]
For0, j <= 2, j++, Subscript = 2]
MatrixForm
What...

Jan2110 07:57 PM
DaleSpam

2 
1,739 
DSolve == (\  (x  1)^2) x, x == 0.004}, x,
t]
I get the following message:
Solve::tdep: The equations...

Jan2410 01:43 AM
Hepth

5 
2,442 
I'm working with Mathematica, I know how to plot a 3D graph, and I know how to plot a 2D vector field. But I want to...

Jan2410 02:01 AM
LucasGB

0 
1,612 
hi,could someone please tell me how to download revtex41 (or revtex4). ive downloaded the zip files but i dont no...

Jan2410 04:16 AM
MATLABdude

4 
4,388 
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 
1,652 
I just got Mathematica last night and am trying to use it for the first time. I'm trying to plot a graph ...

Jan2510 08:54 AM
madness

3 
988 
Hi,
I am using a Matlab program called f2matlab, which converts fortran 90 code to matlab code.
But I keep on...

Jan2610 01:57 PM
Mark44

14 
51,003 
Hi,
I'm from Brazil and I need help!
In my dissertation, I did some testing of Communication Voip and used Markov...

Jan2610 06:53 PM
Christiane

0 
1,531 
Hi,
I found this mathematica packages file and can't use it....
"The "FixedTalbotNumericalLaplaceInversion.m"...

Jan2610 08:20 PM
sugaku

2 
2,116 
so i'm writing a maple procedure for the variational principle in quantum mechanics.
i have a function...

Jan2710 03:12 PM
latentcorpse

0 
1,092 
Good day to all,
1) I find difficulty on putting two 2D graphs into one figure. If same command it is easy to do...

Jan2710 07:04 PM
sugaku

2 
6,263 
1. The problem statement, all variables and given/known data
Hi, I'm trying to simulate an electrostatic craft going...

Jan2810 04:39 AM
zenkarthik

2 
4,837 
Can anyone recommend a book to learn matlab for someone who is a complete beginner at matlab, but already knows a few...

Jan2810 12:59 PM
story645

2 
1,840 
I attempted to use the Maple 13 'tensor' package to solve the G_{rr} component of the Einstein_tensor for a General...

Jan2810 03:04 PM
Orion1

3 
3,613 
I have a function which depends on several physical constants, which I want to be able to vary each time I make a...

Jan2910 09:24 AM
DaleSpam

5 
2,550 
Hello all,
I came across this free math program, wxMaxima, in a General Relativity textbook. I downloaded it and...

Jan2910 09:47 AM
azerwekh

1 
2,178 
looking for a good suggestion on what to use to create math text documents

Jan3010 07:05 AM
The legend

4 
1,760 
Hey all,
I'm sure this is simple, but I can't seem to find the answer in the Maple help section.
When drawing 3D...

Jan3010 08:25 PM
MarcMTL

1 
2,443 
Hello,
I've been attempting to learn how to use COMSOL and ANSYS to create and model a simple solenoid (iron core,...

Feb110 01:23 PM
rsr_life

2 
10,795 
Hi all
I'm am looking for a smart way to make the following conditional in Mathematica:
if,
ï.e. if the...

Feb110 03:21 PM
Niles

2 
1,047 
My prof asked me to find a latex document style that is not one of the four basic built in styles...

Feb210 08:12 AM
D H

2 
2,157 
Dear all,
i want to make a table in latex...using multicolumn
i attached a picture of the table...
Please provide...

Feb210 08:19 AM
CompuChip

1 
903 
I have some data in a text file. I want to import this data into Mathematica, and then I want to calculate the...

Feb210 08:06 PM
DaleSpam

6 
6,596 
I got the code from my textbook and it is supposed to work in matlab
function r = midpoint(a,b,f,n)
f = fcnchk(f);...

Feb410 09:25 AM
Mark44

1 
1,852 
Hey All,
Quick question hope someone can help.
Does anyone know how to write the result from a program in MATLAB to...

Feb410 05:39 PM
MATLABdude

5 
72,724 
Good day to all,
I need help on how to change font size for numbers in x and y axis. For axes label I could change...

Feb410 10:32 PM
Hepth

1 
16,852 
Dear all,
I want to make a vertical line in table..
I use this following latex codes
\begin{table}
\caption{Some...

Feb510 07:17 AM
Rajini

2 
1,006 
Hi
I intend to use a interactive program I have written in mathematica in a presentation. But it has become...

Feb510 07:28 PM
DaleSpam

1 
2,020 
I have an interpolating function in mathematica and just want to find when it takes a certain value, seems simple, but...

Feb510 07:31 PM
DaleSpam

1 
3,066 
I need to use multimedia elements for a 'Design a Room' project. This project is aimed at 8th grade geometry students....

Feb610 12:58 AM
DavidSnider

1 
849 
I'm making a video in MATLAB using "avifile" command like so:
VelDist = avifile(,'compression','None');
... ...

Feb610 07:08 PM
ZharAngel

0 
903 
I am using the ilaplace command from matlab and it keeps spitting out the dirac delta function. I typed the exact...

Feb710 12:09 PM
bassplayer142

2 
3,159 
Hello,
I am trying to store the results in the form of an array every time the code goes through a loop. This is...

Feb710 02:19 PM
vinayagl2003

6 
14,945 
Good day to all,
I'm trying to construct a m x m (size) matrix which have 1/2 on the diagonal, zeros to the lower...

Feb710 08:22 PM
Dolphiney

3 
1,379 
I am looking for freeware which enable the simulation of a system with 3 mirrors, a laser, and a detector. So far I've...

Feb710 08:25 PM
mgb_phys

1 
1,018 
Hi all,
I just recently begin using matlab optimization toolbox. I need to use its ga solver to optimize a vehicle...

Feb710 10:59 PM
Jm085

0 
2,386 
Hi everybody!
I have some troubles with the farfield probes of the software CST MWS. I am designing a loop antenna...

Feb810 05:39 AM
lsw17

0 
1,637 
Hello
Here is my code:
i = 1;
j = 1;
S = zeros(11,11);
while i < 12

Feb810 09:52 AM
Mark44

1 
6,842 