import numpy as np # 创建1x3的矩阵A A = np.array([[1, 2, 3]]) # 创建3x3的矩阵B B = np.array([[4, 5, 6], [7, 8, 9], [10, 11, 12]]) # 矩阵乘法 C = np.dot(A, B)
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