MATLAB Function Reference    
orth

Range space of a matrix

Syntax

Description

B = orth(A) returns an orthonormal basis for the range of A. The columns of B span the same space as the columns of A, and the columns of B are orthogonal, so that B'*B = eye(rank(A)). The number of columns of B is the rank of A.

See Also

null, svd, rank


  orient otherwise