My colleague, Stuart, is the person behind that charming Scottish accent you hear on many of the MATLAB videos on our website. He recently posted several of his videos on the new MATLAB Channel on… 更多内容 >>

1:21

RESHAPE is a very useful function, but it is something that a lot of MATLAB users do not discover until someone is looking at their code and says “Why are you using a for loop for… 更多内容 >>

5:21

I am blogging a little early this week because of the holiday. What holiday would that be? Square Root Day– 03/03/09. What makes this a particularly special event is that today’s video… 更多内容 >>

3:07

This short video shows how you can make your code shorter, more flexible, and readable by using a string variable to reference a field in a structure. This is called dynamic field name reference or… 更多内容 >>

2:31

This was a question that came across my desk recently: “How do I know what figure numbers are already open?” The way to answer this is to query the “root” (always handle… 更多内容 >>

Often when I post code, there is a discussion of how to optimize it. I tend to subscribe to this maxim:

Rules of Optimization:
Rule 1: Don’t do it.
Rule 2 (for experts only): Don’t do… 更多内容 >>

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) == 0 a = 1 else … 更多内容 >>

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I got a question via e-mail that was asking how to set the data in a uitable. Setting the data in a uitable is as easy as: >> a = uitable >> set(a,’data’,… 更多内容 >>

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A statement like this: a = sin(x) + cos(y) + inv(z); makes it impossible to know which part of the calculation is the bottleneck. This video shows how to determine what is slowing your code… 更多内容 >>

Nathan over at FlowingData.com had a post that explains what visualization to use in different situations. Ultimately he linked to this chart from Andrew Abela of The Extreme Presentation(tm)… 更多内容 >>