# Calculate 2D matrix using the unitary group

1. Apr 25, 2012

### tazzzdo

It's problem #5 on this homework set: https://docs.google.com/open?id=0B9c8sp75B5ZRMHAxYXB3MWdhYk0

I can calculate ($\pi$/4)(n1σ1 + n2σ2 + n3σ3) easily, but I have NO clue how a matrix M = exp[($\pi$/4)(n1σ1 + n2σ2 + n3σ3)].

2. Apr 25, 2012