示例
import numpy as np X = np.array([[0,1,2,3],[10,11,12,13],[20,21,22,23],[30,31,32,33]]) print(X[0,2]) print(X[1:3,1:3]) print(X[:2,:2]) print(X[:,0]) print(X[...,0:3])
示例
import numpy as np X = np.array([[0,1,2,3],[10,11,12,13],[20,21,22,23],[30,31,32,33]]) print(X[0,2]) print(X[1:3,1:3]) print(X[:2,:2]) print(X[:,0]) print(X[...,0:3])
名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
