Starting in Release 2009a, str2func lets you create a handle to anonymous function. Before that, you need to construct an anonymous function from literal strings, or using... 続きを読む >>

In the past, when you opened a file in a MATLAB program, you had to keep track of it so you could close it under all possible conditions, i.e., if reading or... 続きを読む >>

There are a lot of ways to create reusable tools and widgets in lots of programming languages, including MATLAB. Today I
want to illustrate creating a reusable visualization tool that can then be... 続きを読む >>

I recently was asked the best way to create function handles, given the names of functions. This came up because I recommended that we should generally remove instances of... 続きを読む >>

I recently got a great request from a reader to discuss the various kinds of entities in MATLAB attached to the word handle. I want to talk about the parallels and differences of three... 続きを読む >>

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... 続きを読む >>

Some languages provide ways to store results of costly calculations so if the calculation had been performed before, it need not be repeated when requested later. There is a way to accomplish this... 続きを読む >>

What's your mental model for when to use the MATLAB function feval? Until Release 14 (MATLAB 7), feval was the way to evaluate a function handle. By that I mean you might write code something... 続きを読む >>