创建四个相同的3*3矩阵,对角线元素均为[1,2,3]有啥便捷的方式吗,现在只想到用array创建四次
用 numpy 库
import numpy as np djx = np.array([1, 2, 3]) m1 = np.diag(djx) m2 = np.copy(m1) m3 = np.copy(m1) m4 = np.copy(m1)