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20 lines
362 B
Python
20 lines
362 B
Python
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###############
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# Authored by Weisheng Jiang
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# Book 4 | From Basic Arithmetic to Machine Learning
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# Published and copyrighted by Tsinghua University Press
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# Beijing, China, 2022
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###############
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# Bk4_Ch4_04.py
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import numpy as np
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k = 2
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X = [[1,2],
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[3,4]]
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# scalar multiplication
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k_times_X = np.dot(k,X)
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k_times_X_2 = k*np.matrix(X)
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