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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
17 177,638
What are the advantages and disadvantages of MATHCAD, MATLAB, maple and mathematica? Which one do you use, and why?
Nov12-13 01:21 PM
Pythagorean
48 116,558
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...
Feb15-14 11:29 AM
FrankFerrese
25 65,337
Hello, I am trying to simulate the 1D wave equation with an absorbing boundary condition at the right edge, but I...
Feb12-12 05:18 AM
albertoy
0 859
Hey everyone. I'm a new user to Matlab. I must say, it's an awesome program, but not user-friendly at all. I'm having...
Feb12-12 07:18 PM
chevymechanic
0 1,294
I'm trying to plot some 3D functions in mathematica, but each time I evaluate the cell, more and more RAM gets eaten...
Feb14-12 01:11 AM
Bill Simpson
2 1,216
Hello, I am trying to create a subsystem with parameters shown here: http://i42.tinypic.com/2h81ys2.png I want...
Feb14-12 10:24 AM
runandrew
0 1,294
I want to plot numerically and analytically in order to compare the linear density of bosonic atoms and the chemical...
Feb14-12 02:08 PM
euclude
0 900
How can I show the regular part of the solution of a differential equation, numerically solved with NDSolve, if...
Feb14-12 04:27 PM
Barnak
6 1,224
hello, I am working on a project of electrocardiographique (ECG) signal compression, in this way i need to download...
Feb15-12 03:06 AM
qassas
6 17,193
Hi, I am trying to put a eqn in a function. So i can just type this function file name into another to find out the...
Feb15-12 03:24 AM
Pythagorean
10 1,732
Hi every one! I would like to draw a double integral function in related to R and h parameters by below M-File but...
Feb15-12 04:36 AM
matinking
2 1,304
I have a 2d mesh with numerical values,I want to get image,colors to be proportional to num. values.If someone can...
Feb16-12 06:38 AM
Milentije
0 670
I just downloaded scilab because Wolfram Alpha wouldn't want to plot the function I'd like. In a physics problem I've...
Feb16-12 09:08 AM
fluidistic
10 2,522
I have a 8000x600 Matrix called V. How can i add the colume 1,5,9,13,17... (all colume of (4*i+1) for i from 0 to 149)...
Feb16-12 09:12 AM
kai_sikorski
1 661
If I have two strings of equalities within the same align or alignat environment, and the first one is long enough to...
Feb16-12 09:38 AM
Fredrik
0 906
I have a system of three DE's and one other definition. The system I'm working with is given in the attached...
Feb17-12 09:54 PM
IWhitematter
0 659
Hi Say I solve the following differential equation in Mathematica: s = NDSolve + Sin] y == 0, y == 1, y' == 0},...
Feb18-12 04:55 AM
Niles
3 1,177
Hey guys. This might not be the right place for this, but any ideas on how I can use a vertical bar to represent...
Feb19-12 12:15 AM
radiator
6 37,997
Does anyone have any recommendations for software, or perhaps a programming language that specialises in creating...
Feb19-12 10:45 AM
gsal
1 1,015
I posted this in number theory "Ramsey Primes" but I don't think this qualifies as an improper use of this forum. I...
Feb19-12 08:12 PM
ramsey2879
12 2,455
Hi all, For some reason I can't post this in a more appropriate forum, so I thought I'd post it here. I wrote a...
Feb20-12 06:15 PM
DavidSullivan
0 775
how could i use matlab to find area under graph using numerical methods that the integral of flow vs time graph is...
Feb21-12 12:11 AM
jhae2.718
4 3,009
Hi everyone, I am wondering if I can input a matrix into Matlab that contains characters. I then would like to...
Feb21-12 07:58 AM
jhae2.718
3 1,389
Hi, I am writing a Matlab function(script), which take some input. I have several datasets in the workspace, say...
Feb21-12 11:53 AM
ghostyc
0 1,129
I am creating a figure using subplot, and would like to make the subplots larger and decrease the space between them....
Feb21-12 01:24 PM
Old Guy
0 1,438
Hi I have a system of ODEs of the form dx/dt = v dv/dt = a = C*f(x), where C denotes a constant and f(x) is...
Feb21-12 01:36 PM
Niles
2 753
I'm looking for some software I can use to draw reasonable technical diagrams- the sort of diagrams you'd find in...
Feb21-12 02:26 PM
cocopops
4 1,486
As in the title I have a matlab graph. Its a bar chart with two sets of data done in matrix form. When I try and put...
Feb21-12 04:13 PM
mjpam
1 2,364
Hello, everyone! First time poster. Quick question: I am working in TeXShop on a Macbook. When I type $\nexists$, I...
Feb22-12 08:00 AM
jhae2.718
1 1,930
I'm trying to analyze a fairly large (order 10^3) collection of PDB files to look for cation-pi interactions for a...
Feb22-12 02:38 PM
Bill Simpson
4 749
I have attached a picture of my problem to this thread. When I plot the column vector x= I get a straight line...
Feb22-12 08:37 PM
jhae2.718
3 1,144
I'm simulating an ion beam with different charge states passing through two pinholes. I'm using random angles, from an...
Feb23-12 04:12 AM
1Keenan
3 948
Hi, I am trying to solve the laser rate equations in Simulink using the integrator block. But it gives an error...
Feb23-12 04:52 AM
bflbfl
0 1,888
Hello.I want to plot a sine wave whose frequency changes with time Here are my codes: t = linspace(0,3,3000);...
Feb23-12 06:00 AM
matts0
0 1,299
I am solving an eigenvalue problem -- Hamiltonian problem in Quantum Mechanics. The matrix is 8x8 with off-diagonal...
Feb23-12 11:50 AM
phy127
0 1,083
Please help me with this. I need to code into matlab a function that results in a matrix answer. It is this: ...
Feb23-12 05:01 PM
frozenguy
3 1,107
I have the following document: \documentclass{article} \usepackage{cite} \begin{document} Super important...
Feb23-12 05:29 PM
SoggyBottoms
1 928
I am trying to create noise that has similar spectral properties of a recorded tapping sound (so that I can mask the...
Feb23-12 07:17 PM
MisterX
1 1,445
Hi guys, I seem to still be having problems formatting polynomials in a standard way in Mathematica. I generate...
Feb24-12 04:50 AM
jackmell
2 1,193
I would like the frame in a gnuplot plot to be slightly larger than the range of x and y. For those who know e.g....
Feb24-12 06:50 AM
DrDu
1 862
Hello everybody!!! I'm a new member and I don't know if it is the right section, but I have some problem with the...
Feb24-12 09:56 AM
angga333
2 1,607
Hi everyone! I've written a M-file to draw a sawtooth periodic function as below: function y = sawtooth_w(x) % We...
Feb25-12 01:50 AM
matinking
0 774

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