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@caffee_mocha(かふぇもか)

[Tips]数理最適化にて、x（0以上の値）が0の時0、1以上の時1となるようなyの値を求めるモデル

Last updated at Posted at 2023-02-24

数理最適化Tips

最適化で、x（0以上の値）が0の時0、1以上の時1となるようなyの値を求めるモデル

定数
x : 0以上の整数
M : xが取り得る値よりも大きな値

変数
y 0/1のバイナリ

目的関数と制約式
image.png

とすることで、
x = 0 の時、y = 0,
x >=1 の時、 y = 1
を取る

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