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MATLAB

Proposed Q&A site for MATLAB programmers, users, and enthusiasts.
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68 Example Questions

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up vote 11 down vote
How do I add equations/math notation on a graph?
added by dmtrmv Feb 6 '12 at 0:52
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Please consider voting for a question with less than 10 votes (more than 10 votes are not needed). – gerrit Dec 6 '12 at 13:27
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Also, remember you can redistribute your votes, so if you voted for this question, take away the vote and put it for a Q that has <10 votes. – Dmitri Nesteruk Dec 27 '12 at 20:17
up vote 11 down vote
How can I run Linux commands from inside MATLAB?
added by SlimJim, edited by WikiSpeedia hang-around Oct 27 '12 at 16:48
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up vote 11 down vote
How should one send an email from MATLAB?
added by drN, edited by WikiSpeedia hang-around Oct 27 '12 at 16:49
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up vote 11 down vote
Aside from proprietary aspects, what are the differences between GNU/Octave and MATLAB?
added by Rody Oldenhuis, edited by WikiSpeedia hang-around Oct 27 '12 at 16:52
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up vote 11 down vote
Is there any speed gain by using cellfun, arrayfun etc. over an explicit loop?
added by gerrit Nov 18 '12 at 14:54
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Excellent question! – dmtrmv Nov 20 '12 at 14:15
Why the downvote? – gerrit Apr 11 at 12:21
up vote 11 down vote
What alternatives are there to the MATLAB Editor?
added by iolsmit Dec 5 '12 at 11:12
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up vote 10 down vote
How to read and save variable(s) from/to a file in MATLAB(/Octave)?
added by Sai Manoj Kumar Yadlapati, edited by WikiSpeedia hang-around Jun 21 '12 at 19:46
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up vote 10 down vote
What is the difference between looping over start-points and the GlobalOptimization Toolbox's MultiStart algorithm?
added by Chris Ferrie Feb 5 '12 at 18:25
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up vote 10 down vote
How do I make a high-res movie of a rotating surface?
added by Chris Ferrie Feb 5 '12 at 18:27
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up vote 10 down vote
How do I program loops in C or C++ to gain a speed up? I heard there is a way to call MATLAB functions in C++.
added by Please Delete Feb 6 '12 at 13:44
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up vote 10 down vote
What are efficient ways of changing the zeros entries in a sparse matrix to a non-zero value?
added by Vass, edited by WikiSpeedia hang-around Oct 27 '12 at 16:49
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up vote 10 down vote
What is the easiest way to make inner/outer product on higher order tensors?
added by SlimJim, edited by WikiSpeedia hang-around Oct 27 '12 at 16:49
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up vote 10 down vote
I am working on the [x] image processing algorithm, but I am not getting proper results. My code is below. What is wrong?
added by Challenger, edited by WikiSpeedia hang-around Oct 27 '12 at 16:50
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up vote 10 down vote
How do I predefine plot styles (colors, linewidth, markers, label font sizes)?
added by fheub Mar 28 '12 at 5:51
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up vote 10 down vote
Why does parallelization not work properly when nesting optimization problems?
added by Chris Ferrie Apr 17 '12 at 11:25
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up vote 10 down vote
What are the different ways to do [x] in MATLAB? What is the way you prefer and why?
added by Sai Manoj Kumar Yadlapati May 2 '12 at 14:40
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up vote 10 down vote
How can I see a plot tracking the convergence of my optimization problem?
added by Kaelin Colclasure May 3 '12 at 16:51
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up vote 10 down vote
How can I visualize a graph structure I've constructed within MATLAB?
added by Kaelin Colclasure May 3 '12 at 16:53
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up vote 10 down vote
What is a great introductory MATLAB text?
added by abatkai May 11 '12 at 20:39
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up vote 10 down vote
How do I reset MATLAB to its launched state?
added by Daniel E. Shub May 25 '12 at 13:03
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up vote 10 down vote
How do you make timer object thread safe?
added by Daniel E. Shub May 25 '12 at 13:07
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up vote 10 down vote
Will there be a change in the speed of access of the elements of a list, e.g. through a loop over its indices, if I convert it into a simple vector?
added by dmtrmv Jul 12 '12 at 8:54
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up vote 10 down vote
What is the most efficient code to extract the odd numbers from a vector?
added by John Jul 26 '12 at 23:49
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up vote 10 down vote
How do I initialize a structure which is created during a for-loop?
added by John Jul 26 '12 at 23:50
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up vote 10 down vote
What is the most efficient data structure to compile large data sets: structure, cell array, dataset, or some combination?
added by John Jul 27 '12 at 16:15
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up vote 10 down vote
Is there a tool to convert MATLAB code written for later versions into code compatible with earlier versions?
added by Rody Oldenhuis, edited by WikiSpeedia hang-around Oct 27 '12 at 16:52
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up vote 10 down vote
How do I run a Python script from MATLAB, and return the results in a MATLAB array, without resorting to files? How about the inverse?
added by Rody Oldenhuis, edited by WikiSpeedia hang-around Oct 27 '12 at 16:52
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up vote 10 down vote
Can MATLAB have interfaces to electronic devices?
added by Noble P. Abraham Aug 20 '12 at 15:09
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up vote 10 down vote
How do you solve a differential equation in MATLAB?
added by Noble P. Abraham Aug 20 '12 at 15:14
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up vote 10 down vote
Why does csvread exist? What advantage is there to having a separate function instead of just calling dlmread with comma as the delimiter?
added by Colin McFaul Oct 19 '12 at 19:28
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up vote 10 down vote
What is the most effective way to vectorized a double nested for loop? (Possibly using arrayfun and avoiding anonymous functions.)
added by Lord Loh., edited by WikiSpeedia hang-around Nov 22 '12 at 20:13
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Would the downvoter care to explain? – Lord Loh. Apr 8 at 15:29
up vote 10 down vote
There are two ways to create classes. Which one should I use?
added by gerrit Nov 18 '12 at 14:53
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up vote 10 down vote
I've heard something about "hg2". What is this and why should I care?
added by gerrit Nov 18 '12 at 14:53
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up vote 10 down vote
How to index a MATLAB array returned by a function without first assigning it to a local variable?
added by iolsmit Dec 5 '12 at 11:04
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up vote 10 down vote
Is it possible to plot multiple curves in a single plot, with e.g. 3 different y-axes ?
added by iolsmit Dec 5 '12 at 11:19
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up vote 10 down vote
How can I find out in what version of Matlab a certain function was introduced, in case I want to write backward-compatible code?
added by gerrit Dec 6 '12 at 13:24
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up vote 10 down vote
What's the most efficient way to invoke Latex symbols in Matlab figures?
added by Shyam Jan 8 at 11:13
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up vote 10 down vote
How to reduce white space between subfigures in a MATLAB plot?
added by Fixed Point Mar 5 at 9:23
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up vote 10 down vote
Is there a MATLAB toolbox for SVR provided by MATLAB? If not, which third party SVR toolbox(for MATLAB) is most stable and ready to use?
added by Sai Manoj Kumar Yadlapati Mar 19 at 19:33
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SVR = support vector regression, I'm guessing? – Colin McFaul Mar 24 at 15:03
@Colin: Yes, I mean Support Vector Regression. – Sai Manoj Kumar Yadlapati Mar 25 at 13:37
up vote 10 down vote
How do I run external programs from Matlab?
added by RioRaider Apr 3 at 2:25
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