How to Find Eigenvector 2X2

Finding the Eigenvectors of a 2x2 Matrix in a Fragment Shader

Seems like GE on a 2x2 matrix should be pretty darn fast.... especially if you use scalar * vector type operations.

Tá torthaí a d'fhéadfadh a bheith dorochtana agat á dtaispeáint faoi láthair.