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Jan16-12 Greg Bernhardt
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
17 200,256
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
26 73,378
What are the advantages and disadvantages of MATHCAD, MATLAB, maple and mathematica? Which one do you use, and why?
Sep9-14 01:52 AM
50 129,844
How can I show the regular part of the solution of a differential equation, numerically solved with NDSolve, if...
Feb14-12 04:27 PM
6 1,385
hello, I am working on a project of electrocardiographique (ECG) signal compression, in this way i need to download...
Feb15-12 03:06 AM
6 18,114
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
10 1,876
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
2 1,439
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
0 713
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
10 2,984
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
1 738
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
0 1,001
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
0 695
Hi Say I solve the following differential equation in Mathematica: s = NDSolve + Sin] y == 0, y == 1, y' == 0},...
Feb18-12 04:55 AM
3 1,339
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
6 40,846
Does anyone have any recommendations for software, or perhaps a programming language that specialises in creating...
Feb19-12 10:45 AM
1 1,129
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
12 2,857
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
0 2,789
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
4 3,374
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
3 1,536
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
0 1,229
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 1,613
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
2 804
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
4 1,699
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
1 2,570
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
1 2,240
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
4 877
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
3 1,253
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
3 1,038
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
0 2,085
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
0 1,434
I am solving an eigenvalue problem -- Hamiltonian problem in Quantum Mechanics. The matrix is 8x8 with off-diagonal...
Feb23-12 11:50 AM
0 1,174
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
3 1,273
I have the following document: \documentclass{article} \usepackage{cite} \begin{document} Super important...
Feb23-12 05:29 PM
1 1,013
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
1 1,608
Hi guys, I seem to still be having problems formatting polynomials in a standard way in Mathematica. I generate...
Feb24-12 04:50 AM
2 1,346
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
1 943
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
2 1,789
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
0 859
Does anyone know how would I go about making a point , bounce up and down in a box in mathematica? Would greatly...
Feb25-12 07:14 AM
2 1,027
ψ are eigenfunctions up to order 2 of the mathieu equation given by {(-d^2ψ/dx^2)-kcos(2x)}=Eψ with k=3.0 and E are...
Feb25-12 07:49 AM
0 1,029
Hi My question is not related to a specific piece of software, but more of a technique. I have a probablity...
Feb25-12 10:34 AM
0 722
I need to define two functions for a molecule with speed s. a)it has a horizontal velocity between -s and s b) v ,...
Feb25-12 01:41 PM
3 1,096
2. Relevant equations Theory for Kapitsa pendulum predicts that the motion consists of 2 parts: x(t)=X(t)+ x˜(t) ...
Feb26-12 05:00 AM
4 1,663

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