"Greg Heath" <email@example.com> wrote in message <firstname.lastname@example.org>... > % help rank > % > % rank Matrix rank. > % rank(A) provides an estimate of the number of linearly > % independent rows or columns of a matrix A. > > >>A1= round(rand(1,5)) > A2 = 1-A1
Multiply a vector (here A1) by (-1) is a linear operator, however adding 1 to a vector is not.
Thus A2 is linear independent to A1. (unless if A1 is a constant vector).