python NIMFA 非負矩陣分解

>>> import numpy as np >>> import scipy.sparse as spr >>> import nimfa >>> V=spr.csr_matrix([[1, 0, 2, 4], [0, 0, 6, 3], [4, 0, 5, 6]]) >>> print(V) (0, 0) 1 (0, 2) 2 (0, 3)

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