# Math & Science Software

- Discussion and support for Matlab, Mathematica, Stata, Maple, Mathcad, LaTeX...
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 Meta Thread / Thread Starter Last Post Replies Views What is this?:This is a list that contains hotkeys and short cuts designed to make your time writing equations in... Oct17-12 07:24 PM Gertlex 17 157,031 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... Jul4-13 03:23 PM Ackbeet 24 61,153 Pinned: Mathcad, MATLAB, Maple & Mathematica ( 1 2 3) What are the advantages and disadvantages of MATHCAD, MATLAB, maple and mathematica? Which one do you use, and why? Nov12-13 02:21 PM Pythagorean 48 110,443 Hello, I am trying to simulate the 1D wave equation with an absorbing boundary condition at the right edge, but I... Feb12-12 06:18 AM albertoy 0 805 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 08:18 PM chevymechanic 0 1,195 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 02:11 AM Bill Simpson 2 1,103 Hello, I am trying to create a subsystem with parameters shown here: http://i42.tinypic.com/2h81ys2.png I want... Feb14-12 11:24 AM runandrew 0 1,169 I want to plot numerically and analytically in order to compare the linear density of bosonic atoms and the chemical... Feb14-12 03:08 PM euclude 0 840 How can I show the regular part of the solution of a differential equation, numerically solved with NDSolve, if... Feb14-12 05:27 PM Barnak 6 1,097 hello, I am working on a project of electrocardiographique (ECG) signal compression, in this way i need to download... Feb15-12 04:06 AM qassas 6 16,180 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 04:24 AM Pythagorean 10 1,585 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 05:36 AM matinking 2 1,164 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 07:38 AM Milentije 0 631 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 10:08 AM fluidistic 10 2,163 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 10:12 AM kai_sikorski 1 595 If I have two strings of equalities within the same align or alignat environment, and the first one is long enough to... Feb16-12 10:38 AM Fredrik 0 836 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 10:54 PM IWhitematter 0 632 Hi Say I solve the following differential equation in Mathematica: s = NDSolve + Sin] y == 0, y == 1, y' == 0},... Feb18-12 05:55 AM Niles 3 1,057 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 01:15 AM radiator 6 34,350 Does anyone have any recommendations for software, or perhaps a programming language that specialises in creating... Feb19-12 11:45 AM gsal 1 921 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 09:12 PM ramsey2879 12 2,093 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 07:15 PM DavidSullivan 0 658 how could i use matlab to find area under graph using numerical methods that the integral of flow vs time graph is... Feb21-12 01:11 AM jhae2.718 4 2,538 Hi everyone, I am wondering if I can input a matrix into Matlab that contains characters. I then would like to... Feb21-12 08:58 AM jhae2.718 3 1,254 Hi, I am writing a Matlab function(script), which take some input. I have several datasets in the workspace, say... Feb21-12 12:53 PM ghostyc 0 1,031 I am creating a figure using subplot, and would like to make the subplots larger and decrease the space between them.... Feb21-12 02:24 PM Old Guy 0 1,244 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 02:36 PM Niles 2 689 I'm looking for some software I can use to draw reasonable technical diagrams- the sort of diagrams you'd find in... Feb21-12 03:26 PM cocopops 4 1,273 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 05:13 PM mjpam 1 2,146 Hello, everyone! First time poster. Quick question: I am working in TeXShop on a Macbook. When I type $\nexists$, I... Feb22-12 09:00 AM jhae2.718 1 1,519 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 03:38 PM Bill Simpson 4 612 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 09:37 PM jhae2.718 3 1,034 I'm simulating an ion beam with different charge states passing through two pinholes. I'm using random angles, from an... Feb23-12 05:12 AM 1Keenan 3 830 Hi, I am trying to solve the laser rate equations in Simulink using the integrator block. But it gives an error... Feb23-12 05:52 AM bflbfl 0 1,632 Hello.I want to plot a sine wave whose frequency changes with time Here are my codes: t = linspace(0,3,3000);... Feb23-12 07:00 AM matts0 0 1,116 I am solving an eigenvalue problem -- Hamiltonian problem in Quantum Mechanics. The matrix is 8x8 with off-diagonal... Feb23-12 12:50 PM phy127 0 943 Please help me with this. I need to code into matlab a function that results in a matrix answer. It is this: ... Feb23-12 06:01 PM frozenguy 3 978 I have the following document: \documentclass{article} \usepackage{cite} \begin{document} Super important... Feb23-12 06:29 PM SoggyBottoms 1 855 I am trying to create noise that has similar spectral properties of a recorded tapping sound (so that I can mask the... Feb23-12 08:17 PM MisterX 1 1,286 Hi guys, I seem to still be having problems formatting polynomials in a standard way in Mathematica. I generate... Feb24-12 05:50 AM jackmell 2 1,053 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 07:50 AM DrDu 1 791 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 10:56 AM angga333 2 1,448 Hi everyone! I've written a M-file to draw a sawtooth periodic function as below: function y = sawtooth_w(x) % We... Feb25-12 02:50 AM matinking 0 709

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