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Dynamic field name usage
3:07 This short video shows how you can make your code shorter, more flexible, and readable by...
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Using parent child relationships to find figures
2:31 This was a question that came across my desk recently: “How do I know what figure numbers...
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Puzzler: optimize this
Often when I post code, there is a discussion of how to optimize it. I tend to subscribe to this maxim: Rules of...
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Debugging session
3:06 clear num = [1 1 1 1 1 1 1]; den = [1 2 3 0 5 6 7]; for i = 1: numel(den) if den(i)...
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Exploring uitable properties
1:35 I got a question via e-mail that was asking how to set the data in a uitable. Setting the...
environ 17 ans il y a
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Breaking up compound statements for the profiler
4:44 A statement like this: a = sin(x) + cos(y) + inv(z); makes it impossible to know which...
environ 17 ans il y a
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Flow chart shows which visualization to use
Nathan over at FlowingData.com had a post that explains what visualization to use in different situations. Ultimately he...
environ 17 ans il y a
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Binning data in MATLAB
4:54 I have been reading the MATLAB questions in Stack Overflow for a few weeks, and here was a...
environ 17 ans il y a
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MATLAB example: Don’t reinvent the thermometer
My last post talked about finding MATLAB code from other people so that you do not have to reinvent it yourself. Eric, the...
environ 17 ans il y a
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MATLAB example: Don’t reinvent the wheel
I love a good visualization of data, and often cringe when I see data in a table that would be much more effective as a...
environ 17 ans il y a
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Puzzler: Intermediate sums
MATLAB challenges get thrown around the halls of The MathWorks with fair regularity. I thought this most recent one would...
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Video Tutorial: Using visualization to debug
6:29 A question came up on the MATLAB newsgroup about debugging a sorting algorithm. I thought...
environ 17 ans il y a
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Video tutorial: 3d indexing
2:50 The MATLAB user has this: clear clc M(:,:,1) = [1,2;3,4]; M(:,:,2) = [21,22;23,24]; J...
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Video tutorial: Verbal code review
3:53 Talking through your code is an excellent way to find bugs. By discussing the code you have...
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Video tutorial: Tolerances in comparisons
2:23 Sometimes you will do a calculation where the answer looks like ‘0’ or ‘1’ or some other...
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Video tutorial: Infinite series
3:37 In this short video, I explore the math behind this joke: An infinite number of...
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Video tutorial: Debugging a logical indexing problem
4:48 I love getting well formed question and challenges from fellow MATLAB users. This week I got...
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Contest: Final wrap up
Well, it was a great contest this season. I was very happy to see that each King of the Hill tended to get arguably better...
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Contest: Darkness commentary
6:08 I have been waiting until the daylight portion of the ArmyAnts contest to post this...
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Contest: Army Ants
I love the MATLAB contest, I am not sure if it is more fun to play the contest or to help design and administer it. Either...
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Video Tutorial: MATLAB basics, LINKPROP
2:40 I think it is best to do these tutorials based on solving realistic coding challenges. In...
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Video: Saving the state of a GUI
5:43 A question that comes across my inbox from time to time is how to save the state of a GUI...
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Student Center tutorials
This blog is just one of many resource available to people that want to learn how to use MATLAB. I want to point you to...
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Puzzler: Usability study recap
This recent puzzler was very successful with entries from four different continents. I can understand the busy researchers...
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MATLAB 2008B is now ready for download
We are always working on new releases of MATLAB, and we have the second release of 2008 ready for you to download here. You...
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Puzzler: Be in a usability study
I get lots of e-mail from blog readers that say they learn a lot from the videos here. Well, this week we want to learn...
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Review of spiral puzzler
4:29 In the recent Puzzler about the spiral, most of the code that was produced went along the...
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Puzzler: Cleverness needed
I have been working on a side project and I found I needed the following algorithm: Given a binary five by five matrix, I...
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Importing Excel data and fitting a curve to it
3:14 I recently got an e-mail from a MATLAB user that had a large dataset in Excel. They wanted...
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Campus visit and MATLAB video on object tracking
I am about to leave for a recruiting trip to Carnegie Mellon University. Be sure to stop by the booth and say hello (or...
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