Unfortunately, no one can be told what The Matrix is. You'll have to see it for yourself.

MpTheta2

This simple tool displays the angle {$\theta^2$} between two wavefunctions. This is defined as

{$1-\theta^2/2 = \cos \theta = \langle A | B \rangle / ||A|| \; ||B||$}

usage: mp-diff <psi1> <psi2>

See also