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In [1]: import numpy as np A = np.array([[1, 2], [3, 4]]) B = np.array([10, 20]) A * B
import numpy as np A = np.array([[1, 2], [3, 4]]) B = np.array([10, 20]) A * B
Out[1]: array([[10, 40], [30, 80]])
array([[10, 40], [30, 80]])
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