Avoid np.linalg.inv if you can do it in another way.. It slows the already slow python even more. Recently replaced np.linalg.inv by an affine transformation in

Avoid np.linalg.inv if you can do it in another way.. It slows the already slow python even more. Recently replaced np.linalg.inv by an affine transformation inverse (what was really needed) in one of our codebases to get a speedup of 100x.