>>> from scipy.special import softmax
>>> np.set_printoptions(precision=5)
>>> x = np.array([[1, 0.5, 0.2, 3],
[1, -1, 7, 3],
[2, 12, 13, 3]])
>>> m = softmax(x)
>>> m
array([[ 4.48309e-06, 2.71913e-06, 2.01438e-06, 3.31258e-05],
[ 4.48309e-06, 6.06720e-07, 1.80861e-03, 3.31258e-05],
[ 1.21863e-05, 2.68421e-01, 7.29644e-01, 3.31258e-05]])