- #1

- 713

- 5

I guess this is a basic question.

Let´s say that If I am given a matrix

*X*it is possible to form a symmetric matrix by computing [itex]X+X^{T} [/itex].

But how can I form a matrix which is both

*symmetric*and

*orthogonal*? That is:

[tex]M=M^{T}=M^{-1}[/tex].