Backup diff of MATLAB (No. 1)

• Backup list
• View the diff current.
• View the diff for visual.
• View the source.
• View the backup.
• Go to MATLAB.
  • 1 (2020-04-08 (Wed) 23:02:22)
  • 2 (2021-03-11 (Thu) 15:29:52)
  • 3 (2021-05-20 (Thu) 18:37:57)

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.

*. [#a6af2d28]

- 画像の中央部分に写っているオブジェクト（背景は黒）を囲む長方形を求める
--  https://www.kkaneko.jp/pro/octave/boundingbox.html