# Orthogonal Matrices

• February 20th 2011, 03:45 PM
veronicak5678
Orthogonal Matrices
Shoe that the columns of an orthogonal matrix form an orthogonal set of vectors.
• February 20th 2011, 06:42 PM
tonio
Quote:

Originally Posted by veronicak5678
Shoe that the columns of an orthogonal matrix form an orthogonal set of vectors.

$A\,\,\mbpx{orthogonal }\Longleftrightarrow AA^*=I$ , and watching what this last equality means wrt the

matrix's columns (or rows, for that matter) you're done.

Tonio