all:

Syntax:	all ( A )

Description: 

	When A is a vector (row or column):
	  All returns TRUE (1) if all of the elements of A are non-zero.
	  All returns zero otherwise.

	When A is a matrix (m >= 2)
	  All operates on the columns of A, returning a row-vector of
	  ones and zeros.

See Also: any
