Cathy_Yi的博客

a = np.arange(4)print(a)[0 1 2 3]b = ac = ad = b[0 1 2 3][0 1 2 3][0 1 2 3][0 1 2 3]a[0]=11print(a)print(b)print(c)print(d)[11 1 2 3][11 1 2 3][11 1 2 3][11 1 2 3]...

A = np.arange(12).reshape((3,4))print(A)[[ 0 1 2 3][ 4 5 6 7][ 8 9 10 11]]print(np.split(A,2,axis=1))#纵向分成两列[array([[0, 1],[4, 5],[8, 9]]), array([[ 2, 3],[ 6, 7],[10, 11]])]pr...

A = np.array([1,1,1])B = np.array([2,2,2])C = np.vstack((A,B)) #vertical stackD = np.hstack((A,B)) #horizontal stackprint(C)print(D)print(A.shape,C.shape,D.shape)[[1 1 1][2 2 2]][1 1 1 2 2 ...

import numpy as npA=np.arange(3,15)print(A)print(A[3])[ 3 4 5 6 7 8 9 10 11 12 13 14]6#转成二维B = np.arange(3,15).reshape((3,4))print(B)[[ 3 4 5 6][ 7 8 9 10][11 12 13 14]]#查找第...

import numpy as npA = np.arange(14,2,-1).reshape(((3,4)))print(A)[[14 13 12 11][10 9 8 7][ 6 5 4 3]]#最小值的索引print(np.argmin(A))11#三种求平均值的方法print(np.mean(A))print(A.mean())print(np...