# Math Help - Orthogonal Matrices

1. ## Orthogonal Matrices

Shoe that the columns of an orthogonal matrix form an orthogonal set of vectors.

2. 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