摘要: import numpy as np import scipy import time import scipy.sparse as sparse t = [1]+[0]*4999 a = scipy.matrix(np.array(t*5000, dtype=float).reshape(5000 阅读全文
posted @ 2019-05-08 22:33 Kayden_Cheung 阅读(980) 评论(0) 推荐(0) 编辑
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