Numpy: multiply two permutations
Quite simply, b[a] will do the trick:
>>> import numpy as np>>> a = np.array([1, 3, 2, 0])>>> b = np.array([0, 2, 1, 3])>>> c = b[a]>>> print c[2 3 1 0]
Quite simply, b[a] will do the trick:
>>> import numpy as np>>> a = np.array([1, 3, 2, 0])>>> b = np.array([0, 2, 1, 3])>>> c = b[a]>>> print c[2 3 1 0]