[numpy]元素累加¶ Numpy提供了函数cumsum用于元素累加操作 import numpy as np if __name__ == '__main__': data = np.arange(10) print(data) res = np.cumsum(data) print(res) ################### 输出 [0 1 2 3 4 5 6 7 8 9] [ 0 1 3 6 10 15 21 28 36 45]