借助Numpy matrix.cumsum()
方法,我們能夠找到一個cumulative sum
給定矩陣的矩陣,並將輸出作為一維矩陣。
用法: matrix.cumsum()
返回: 返回矩陣的累計和
範例1:
在此示例中,我們可以借助matrix.cumsum()
方法,我們能夠找到給定數組的累積和。
# 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)
輸出:
[[ 6 8 11]]
範例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)
輸出:
[[ 1 3 6 10 15 21]]
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