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  • 1 (2020-12-10 (Thu) 15:07:25)
  • 2 (2021-11-22 (Mon) 13:13:35)
  • 3 (2022-10-06 (Thu) 21:35:34)
  • 4 (2023-02-17 (Fri) 14:59:52)

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- プログラム高速化の基礎
--  http://www.cms-initiative.jp/ja/events/20130411katagiri.pdf
 (行列の積)

- 高等学校数学科教材（行列入門）
--  https://www.mext.go.jp/a_menu/shotou/new-cs/senseiouen/1394142_00001.html