Exercise27.1
Show that
\begin{equation*} P = \begin{pmatrix} 0 \amp 0 \\ \alpha \amp 1 \end{pmatrix} \end{equation*}is a projector. For what \(\alpha\) is it an orthogonal projector?
Show that
\begin{equation*} P = \begin{pmatrix} 0 \amp 0 \\ \alpha \amp 1 \end{pmatrix} \end{equation*}is a projector. For what \(\alpha\) is it an orthogonal projector?