I believe that's an example of 'logical indexing', which is a useful feature in many vector-oriented languages / packages: http://blogs.mathworks.com/steve/200

I believe that's an example of 'logical indexing', which is a useful feature in many vector-oriented languages / packages: http://blogs.mathworks.com/steve/2008/01/28/logical-indexing/ http://blogs.mathworks.com/steve/2008/01/28/logical-indexing...