kidnohr https://blog.hatena.ne.jp/kidnohr/ 日に日に分からんことが増えていく… https://kidnohr.hatenadiary.com/ Python3 sparseな行列についての実装 import numpy as np from scipy.sparse import coo_matrix ) a = np.arange(30).reshape(10,3) print(a) [[ 0 1 2] [ 3 4 5] [ 6 7 8] [ 9 10 11] [12 13 14] [15 16 17] [18 19 20] [21 22 23] [24 25 26] [27 28 29]] b, c, d = zip(*a) print(b, c, d) (0, 3, 6, 9, 12, 15, 18, 21, 24, 27) (1, 4, 7,… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkidnohr.hatenadiary.com%2Fentry%2F2018%2F07%2F04%2F154632" title="pythonのscipyでsparseな行列の変換 - 日に日に分からんことが増えていく…" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2018-07-04 15:46:32 rich https://kidnohr.hatenadiary.com/entry/2018/07/04/154632 1.0 100%