python | num py matrix . cum sum()

哎哎哎:# t0]https://www . geeksforgeeks . org/python-num py-matrix-cum sum/

借助**Numpy matrix.cumsum()**方法,我们能够找到给定矩阵的cumulative sum,并以一维矩阵的形式给出输出。

语法: matrix.cumsum()

返回: 返回矩阵累计和

示例#1 : 在这个示例中,我们可以看到,借助matrix.cumsum()方法,我们能够找到给定数组的累积和。

# import the important module in python
import numpy as np

# make matrix with numpy
gfg = np.matrix('[6, 2, 3]')

# applying matrix.cumsum() method
geeks = gfg.cumsum()

print(geeks)

Output:

[[ 6  8 11]]

例 2 :

# import the important module in python
import numpy as np

# make a matrix with numpy
gfg = np.matrix('[1, 2, 3; 4, 5, 6]')

# applying matrix.cumsum() method
geeks = gfg.cumsum()

print(geeks)

Output:

[[ 1  3  6 10 15 21]]