
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 
129,188 
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 
72,958 
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 
197,503 
Hi guys,
I have a system of six equations and thirteen variables. I would like to reduce it to seven free...

Y 11:25 PM
McLaren Rulez

0 
95 
Hello all,
I have created a PDF presentation using LateX. I want to add my commentary on the slides by recording my...

Y 12:15 PM
S_David

0 
71 
HI guys,this is my first programming experience , i have developed an matlab code for steady state heat conduction...

Aug3114 07:47 PM
gsal

9 
133 
i'm trying to learn matlab and as such i stumbled here while looking something up
...

Aug3014 10:40 PM
FactChecker

3 
109 
Can I prevent setting up standing waves in my COMSOL model?
I'm using integration over two opposing faces to get...

Aug2914 07:50 AM
pitchtwit

2 
271 
I have a model set up, that is a cuboid, with a membrane halfway along  a bit like an impedance tube setup.
I've...

Aug2814 10:03 PM
Greg Bernhardt

1 
300 
Hi,
I'm trying to write a code for the recursive trapezoidal rule. The code must have the bounds of integration and...

Aug2714 08:05 AM
kreil

1 
203 
I have a question about silvaco athena && atlas simulation, MOS structure, when I gate length is 0.6um, get Vth is...

Aug2214 11:06 AM
benettou

1 
1,762 
Hello all, I was wondering how to make that nice looking Complex 'C' when writing a set in Latex. For example,...

Aug1814 09:02 PM
mesa

5 
288 
Hi!
I'm trying to compute air flow between chambers for a project.
I'm having a numerical oscillation problem,...

Aug1714 07:41 AM
Tusike

2 
1,375 
does anyone know sample codes with explanation on computing Geographically Weighted Regression using MATLAB?I am a...

Aug1114 07:51 AM
kreil

1 
348 
I've just got a quick question that hopefully someone can answer.
My question is  why does the membrane in COMSOL...

Aug1114 01:50 AM
pitchtwit

2 
362 
I have an ODE ##e^{2x}H(Hv'(x) + H'v' + Hv'') + (k^2  2e^{2x}H^2(1 + \frac{H'}{2H}))v = 0## where ##H(x)## is a known...

Aug1014 10:11 PM
Greg Bernhardt

1 
652 
Is there a software(preferably free) that can fit data into a 4 parameter equation?
like the generalised logistic...

Aug914 11:37 AM
gsal

3 
341 
Hello, this block of code was given on a previous exam
M = ;
temp = 0;
for k = M
temp = temp + k(2)
end...

Aug914 09:47 AM
AlephZero

10 
425 
i just signed up here so i hope this is the right place.
i need to solve a set of 2 nonlinear ordinary...

Aug814 03:06 PM
Bill Simpson

9 
434 
Hey guys, This is my first post here, so I will apologize in advance in case I'm posting this in the wrong section.
...

Aug714 10:07 PM
kreil

1 
366 
Hi Folks,
I am trying to replicate a solution in Matlab for the following problem ##\displaystyle \ddot x +...

Aug714 10:04 PM
kreil

1 
396 
Hey guys, This is my first post here, so I will apologize in advance in case I'm posting this in the wrong section.
...

Aug714 04:04 AM
DrClaude

1 
363 
Hi,
I am not really sure this is the right topic to post my question in, but it is homework so...
To my data in...

Aug714 01:07 AM
skrat

2 
382 
Hi guys,I am new for programming. I made my first attempt to solve an heat equation by finite difference method and...

Aug614 10:35 PM
kreil

7 
384 
Is there a widely used free drawing program that is used in conjunction with LaTeX for math books and physics text?
...

Aug614 01:42 PM
vjacheslav

13 
819 
If I have a function depends on for example 2 parameters f, and I know the value of this function should range between...

Jul3114 04:30 PM
mfb

1 
406 
Hello,
I am preparing for the exam for my Matlab class, and have run into some confusion with Structure arrays. I...

Jul3114 12:52 PM
kreil

1 
381 
Hi,
My question is in relation to Matlab.
I'm curious, is there anyway to employ user inputs for function...

Jul3114 12:25 PM
kreil

1 
375 
Hello, here is a list of the order of precedence for computations when programming, at least in MATLAB
1....

Jul3114 12:13 PM
kreil

3 
422 
Hi,
I perform my postprocessing and analysis of data from silvaco in matlab and would like to export values from...

Jul2914 09:19 AM
$mathieu

2 
2,342 
Hello,
I am curious why the following concatenation is not working the way I thought it would.
B =
B =
...

Jul2214 04:24 PM
Maylis

2 
1,059 
Hi,
I was wondering if anyone familiar with excel on a mac can help me? Am i able to do polynomial regression with...

Jul2114 09:41 AM
the ads 13

2 
2,299 
Hello, I am confused about a concept,
Suppose I am trying to solve a linear system ##Ax = b##
I want to know why...

Jul1814 08:10 AM
kreil

2 
1,334 
Integrate DiracDelta', {qs, \, \},
Assumptions > 0 < x < 1]
Integrate DiracDelta', {qs, \, \},
Assumptions...

Jul1714 01:26 PM
Hepth

1 
1,358 
Goood Day,
I have a cubic root equation. I use newtonraphson for finding the roots. I want to do parameter...

Jul1714 01:16 AM
Greg Bernhardt

1 
2,203 
I wrote the next code:
restart;
pde := diff(u(x, t), t)+diff(u(x, t), x)(diff(diff(u(x, t), x), t))^2 = u(x, t);...

Jul1714 01:16 AM
Greg Bernhardt

1 
1,687 
Hi, I'm trying to learn LaTeX and one of the things I'm trying to figure out is what is the difference between \frac...

Jul1514 08:47 AM
AlephZero

4 
1,624 
I have found the 2D Fourier transform of a figure and then changed it to a binary image (attached).
I want to find...

Jul1314 03:16 PM
FactChecker

5 
2,288 
I just did some quick searches for open source multi dimensional data visualization, but can't find what I'm looking...

Jul1214 07:44 AM
gsal

3 
1,807 
I'm not sure where else to put this thread.
Does anybody know (and if you do, please tell) how to get math symbols,...

Jul414 11:04 AM
FactChecker

13 
3,288 
Dear all,
I am looking for an interactive software that can let me play with 3d geometry. I apologize, as I am not...

Jul414 10:46 AM
ozg

2 
2,128 
Hello,
I want to fit a twoparameter function to two points in this way:
FindFit + x], {C, D}, x]
But...

Jul314 12:10 AM
Bill Simpson

5 
2,572 
I have a function that is defined using a variety of things, some matrix algebra, some mathlink functions, etc. But...

Jul114 10:43 AM
Hepth

2 
2,236 