Numpy matrix to array
result = M.A1
https://docs.scipy.org/doc/numpy-1.14.0/reference/generated/numpy.matrix.A1.html
matrix.A11-d base array
result = M.A1
https://docs.scipy.org/doc/numpy-1.14.0/reference/generated/numpy.matrix.A1.html
matrix.A11-d base array