import numpy as np import math, sys filename = sys.argv[1] metrix = np.loadtxt(filename) def cal_entropy(m): sum_err = m.sum() entropy = 0.0 if sum_err == 0: return entropy for i in np.nditer(m): if i != 0: p = i / sum_err entropy += -1 * (p * math.log2(p)) return entropy print(cal_entropy(metrix))
