MATLAB has some functions that are specifically designed for exploring the contents of structures (entities known in MATLAB by the class struct). I find the functions isfield and fieldnames particularly helpful. The reason I raise this area of functionality is because... read more >>

Since there seems to be so much interest in the topic of going beyond scalar expansion, it seems worth talking about yet some other ways to achieve the same goals. I am very appreciative of the thoughtful comments we've received so far on this topic and I know we... read more >>

Last week I received email from a blog reader asking about extending the meaning of the arithmetic operators to do more than scalar expansion, and instead extend the expansion to singleton dimensions. In this post, I discuss the evolution of scalar expansion in MATLAB, talk about possible future designs, ... read more >>

Recently on two different occasions, people have asked me to help debug their nested function< code. I was struck by the similarity of their problems and today will show you the problem and some solutions. ... read more >>

Get information about the function handle:... read more >>

exist can be called with one argument (a string) to test if that specific name is known and available in MATLAB in any form. If we program carefully and check the output result of exist, then we can be sure we know whether we are dealing with a MATLAB... read more >>

So, what is the big deal? To start with, this week marks my 19th anniversary at MathWorks. Never would I have guessed back then what I am up to now, including talking about MATLAB with so many customers. I look forward to many more years working with... read more >>

A while ago, a colleague needed to use the sinc function to interpolate some channel data posted by the IEEE 802.15.3a working group. The files they supplied were large and the interpolation took a while. Seems like a job worthy inspecting the code and using the profiler (see references... read more >>

Until Release 14 (MATLAB 7), feval was the way to evaluate a function handle. By that I mean you might write code something like this: ... read more >>

I recently wrote an article on Evading eval. A couple of users asked me how to avoid using eval in the case post under Code Clarity / Readability. The answer is you can't, unless you rethink the code altogether. ... read more >>