import numpy as np
M = np.eye(2) M = np.fliplr(M) print(M) #x = np.random.rand(2) x = 3.14 * np.ones((2,))
[[ 0. 1.] [ 1. 0.]]
for i in range(5): x = M.dot(x) print(x)
[ 3.14 3.14] [ 3.14 3.14] [ 3.14 3.14] [ 3.14 3.14] [ 3.14 3.14]