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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?
Jul22-14 10:36 AM
shadi_s10
49 126,444
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 71,220
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
17 191,934
Is there a widely used free drawing program that is used in conjunction with LaTeX for math books and physics text? ...
T 04:22 AM
Filip Larsen
8 202
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...
Jul24-14 06:33 PM
WannabeNewton
0 185
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
2 546
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 1,647
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
2 813
Integrate DiracDelta', {qs, -\, \}, Assumptions -> 0 < x < 1] Integrate DiracDelta', {qs, -\, \}, Assumptions...
Jul17-14 01:26 PM
Hepth
1 766
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 1,550
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 1,112
Hi, I perform my post-processing and analysis of data from silvaco in matlab and would like to export values from...
Jul17-14 01:16 AM
Greg Bernhardt
1 1,673
Hi! I'm trying to compute air flow between chambers for a project. I'm having a numerical oscillation problem,...
Jul16-14 04:08 AM
Tusike
0 791
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 1,015
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 1,612
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 1,226
I'm not sure where else to put this thread. Does anybody know (and if you do, please tell) how to get math symbols,...
Jul4-14 11:04 AM
FactChecker
13 2,489
Dear all, I am looking for an interactive software that can let me play with 3d geometry. I apologize, as I am not...
Jul4-14 10:46 AM
ozg
2 1,516
Hello, I want to fit a two-parameter function to two points in this way: FindFit + x], {C, D}, x] But...
Jul3-14 12:10 AM
Bill Simpson
5 1,877
I have a function that is defined using a variety of things, some matrix algebra, some mathlink functions, etc. But...
Jul1-14 10:43 AM
Hepth
2 1,585
Dear all, I have time-series data, from which I would like to compute the tricoherence. After some googling, it...
Jun30-14 10:58 PM
olivermsun
5 1,481
I said to Mathematica to plot a graph as this: Plot] + Exp] - 2 == 0, {x, -10, 40}]. You can see that there is...
Jun30-14 07:21 PM
slider142
1 1,367
I am trying to integrate a very messy expression using Wolfram online integrator but I get the message: "You need to...
Jun30-14 12:55 AM
Avichal
4 1,979
First note that I am just learning Mat lab, and running a program created by someone else. I have a program which...
Jun26-14 08:54 AM
dkotschessaa
3 1,668
Hi All: I am an electrical engineering undergrad. I would like to learn a math plotting software which would be...
Jun26-14 08:25 AM
Mancuso
8 1,673
How would one construct a graph, like the Petersen graph, in LaTeX? Is there a good package to use for it? Edit: I...
Jun25-14 11:57 AM
Mandelbroth
3 1,551
I'm writing a piece of software and need to find an optimal algorithm for scanning servers. Basically I'm given a list...
Jun25-14 06:44 AM
noelo2014
2 1,563
Hi. When I try to this multiplication: t=; f=exp(-t)*sin(t) Error using * Inner matrix dimensions must agree. ...
Jun24-14 01:12 PM
marcusl
1 1,525
Determine all three-digit number ,##N##, having the property that ##N## is divisible by 11, and ##\frac{N}{11}## is...
Jun22-14 02:38 PM
SteamKing
20 3,916
There is a vector ##v_i(t)## (i=1,2,3). How to define the three functions in Mathematica? What about...
Jun21-14 08:30 PM
karlzr
2 1,601
Hello, I am trying to decipher loop codes and I am having a lot of difficulty doing so Here is an example code...
Jun20-14 05:17 PM
kreil
3 1,596
So when i use the following command, I get the following error DSolve - y == 3, y, x] DSolve::deqn: Equation or list...
Jun20-14 02:56 PM
Shinaolord
9 1,699
Hello, I am having some difficulties understanding the difference between the two and when I would want to use one...
Jun20-14 12:27 PM
kreil
2 1,580
I want to look at it and see if there is another option to resize dialog boxes, does anyone know where it is hiding in...
Jun18-14 11:11 AM
mesa
2 1,671
Hello all, I am trying to plot a simple trajectory in MATlab. Here is the code I wrote, v0 = 100; theta = pi/4;...
Jun18-14 11:02 AM
mesa
7 1,988
hey pf! i was wondering if any of you knew how to generate a .cls file in latex? in other words, what typeset do i...
Jun17-14 08:20 PM
D H
2 1,600
Dear all, I have a coupled system of ode's with an algebraic equation. The equations are as follows, function...
Jun16-14 10:56 AM
ruwais92
2 1,796
Hi! Using Matlab R2012a: typing this example to create a table: t = '; y = '; B = table(t,y)
Jun15-14 11:54 AM
kreil
1 1,722
Hi I'm trying to figure out in what energies the bound states of a particle in a symmetric triangular well happen to...
Jun14-14 10:54 PM
Greg Bernhardt
1 1,784
Hi, What software could you recommend for making complex physics and chemistry charts (for better overview) like the...
Jun13-14 02:22 PM
AlephZero
6 2,018
Dear All, I need to design a magnetized iron calorimeter detector (HEP ex). There will be current coils...
Jun13-14 01:35 PM
neelakash
3 1,714
In Mathematica, I computed the integral ##\lim\limits_{n\to\infty} \frac{1}{n^2} \int\limits_{0}^{\frac{\pi}{2}}...
Jun11-14 10:06 AM
$mathieu
9 2,256
Hello, I am taking MATLAB this summer and will be having a number of questions on this forum about all my bugged...
Jun9-14 04:54 PM
Borek
1 1,662

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