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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?
Sep9-14 01:52 AM
jassim
50 129,799
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 73,344
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
17 200,052
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?
Sep12-14 04:40 PM
gsal
2 116
Please I need your help to plot in streamline for stream function in wolfram Mathematica this equation Equation...
Sep9-14 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...
Sep6-14 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...
Sep6-14 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...
Sep2-14 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...
Aug31-14 07:47 PM
gsal
9 264
i'm trying to learn matlab and as such i stumbled here while looking something up ...
Aug30-14 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...
Aug29-14 07:50 AM
pitchtwit
2 388
I have a model set up, that is a cuboid, with a membrane half-way along - a bit like an impedance tube setup. I've...
Aug28-14 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...
Aug27-14 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...
Aug22-14 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,...
Aug18-14 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,...
Aug17-14 07:41 AM
Tusike
2 1,490
does anyone know sample codes with explanation on computing Geographically Weighted Regression using MATLAB?I am a...
Aug11-14 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...
Aug11-14 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...
Aug10-14 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...
Aug9-14 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...
Aug9-14 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 non-linear ordinary...
Aug8-14 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. ...
Aug7-14 10:07 PM
kreil
1 485
Hi Folks, I am trying to replicate a solution in Matlab for the following problem ##\displaystyle \ddot x +...
Aug7-14 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. ...
Aug7-14 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...
Aug7-14 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...
Aug6-14 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? ...
Aug6-14 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...
Jul31-14 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...
Jul31-14 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...
Jul31-14 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....
Jul31-14 12:13 PM
kreil
3 548
Hi, I perform my post-processing and analysis of data from silvaco in matlab and would like to export values from...
Jul29-14 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 = ...
Jul22-14 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...
Jul21-14 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...
Jul18-14 08:10 AM
kreil
2 1,448
Integrate DiracDelta', {qs, -\, \}, Assumptions -> 0 < x < 1] Integrate DiracDelta', {qs, -\, \}, Assumptions...
Jul17-14 01:26 PM
Hepth
1 1,477
Goood Day, I have a cubic root equation. I use newton-raphson for finding the roots. I want to do parameter...
Jul17-14 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);...
Jul17-14 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...
Jul15-14 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...
Jul13-14 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...
Jul12-14 07:44 AM
gsal
3 1,927

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