Using Logical Indexing to Plot Points Meeting a Specific Criteria Only
(Originally posted on Doug's MATLAB Video Tutorials blog.)
If you have a vector of coordinate for a set of points, you might want to differentiate those points. To do that a concept called logical indexing will help you pull out a subset of those points easily.
Here is a quick example.
>> L = logical([0 1 0 1]) L = 0 1 0 1 >> a = [1 2 3 4] a = 1 2 3 4 >> a(L) ans = 2 4
Recorded: 16 May 2011
You can also select a web site from the following list:
How to Get Best Site Performance
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.