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

Sep914 01:52 AM
jassim

50 
129,799 
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 
73,344 
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 
200,052 
Hello,
I am a novice in Mathematica, but insisting to learn it. I would appreciate help in solving the following...

Y 01:43 PM
habad

2 
109 
I have PowerPoint 2011 for Mac. Is there an easy way to add equations, etc. into my slides?

Sep1214 04:40 PM
gsal

2 
116 
Please I need your help to plot in streamline for stream function in wolfram Mathematica this equation
Equation...

Sep914 02:05 AM
jassim

0 
176 
Hi guys,
I have a system of six equations and thirteen variables. I would like to reduce it to seven free...

Sep614 12:27 PM
Bill Simpson

8 
323 
I'm trying to do a calculation which involves taking the derivative of a term that is millions of terms long. I'm...

Sep614 12:22 PM
Bill Simpson

3 
238 
Hello all,
I have created a PDF presentation using LateX. I want to add my commentary on the slides by recording my...

Sep214 06:36 PM
S_David

2 
215 
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 
264 
i'm trying to learn matlab and as such i stumbled here while looking something up
...

Aug3014 10:40 PM
FactChecker

3 
233 
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 
388 
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 
416 
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 
325 
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 
1,887 
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 
411 
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 
1,490 
does anyone know sample codes with explanation on computing Geographically Weighted Regression using MATLAB?I am a...

Aug1114 07:51 AM
kreil

1 
463 
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 
487 
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 
786 
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 
454 
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 
543 
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 
554 
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 
485 
Hi Folks,
I am trying to replicate a solution in Matlab for the following problem ##\displaystyle \ddot x +...

Aug714 10:04 PM
kreil

1 
513 
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 
487 
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 
499 
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 
511 
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 
940 
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 
519 
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 
506 
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 
487 
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 
548 
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 
2,499 
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 
1,164 
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 
2,417 
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 
1,448 
Integrate DiracDelta', {qs, \, \},
Assumptions > 0 < x < 1]
Integrate DiracDelta', {qs, \, \},
Assumptions...

Jul1714 01:26 PM
Hepth

1 
1,477 
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 
2,323 
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 
1,819 
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 
1,741 
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 
2,436 
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 
1,927 