What does y(:,1) mean? (Matlab)
If you define a bidimensional array y, and you want to access all its elements on the first column:
will do it.
If you want to access to all the elements of the fift row:
is the syntax you have to use. The colon means: take all the elements along the specified dimension. --Franco 18:36, 29 September 2006 (PDT)