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Reshape a matrix without using a for loop
1:21 RESHAPE is a very useful function, but it is something that a lot of MATLAB users do not...
約17年 前
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Read data from the web with URLREAD
5:21 I am blogging a little early this week because of the holiday. What holiday would that be? ...
約17年 前
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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...
約17年 前
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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...
約17年 前
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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...
17年以上 前
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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) ==...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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 =...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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Contest: Darkness commentary
6:08 I have been waiting until the daylight portion of the ArmyAnts contest to post this...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
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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...
17年以上 前
