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矩阵m行n列数表
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import numpy as np #创建矩阵 A A = np.array([[1,2,3],[4,5,6],[7,8,9]]) B = A C = np.array([[1,2],[3,4],[5,6]]) D = np.array([[1],[2],[3]]) print(B,'\n',C,'\n',D) E = A+B G = np.dot(A,B) H = -A print(E,'\n',G,'\n',H) I = np.dot(A,D) print(I) print(np.transpose(I))
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