Created
October 2, 2016 09:19
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# 注意 | |
実際には、文字x文字、という表現はできない... | |
# 変数 | |
xij : binary | |
xij = 1 : 元データのi行目をj行目とする | |
# 定数 | |
totalquantity_i : i行目の人の総購入数量 | |
totalprice_i : i行目の人の総購入金額 | |
category_i : i 行目の人のカテゴリ | |
# 目的関数 | |
U2を最小化する | |
## カテゴリkのMAE | |
mae_k = | |
sum_i toltalquantity_i totalprice_i xij / sum_i (totalquantity_i xij) - | |
sum_j toltalquantity_j totalprice_i xij / sum_j (totalquantity_j xij) | |
sum_i category_i xij : category_i の人数 | |
## U2の値 | |
u2 = sum_k mae_k | |
# 制約 | |
subject to | |
## 基本的な制約 | |
sum_{i = 1..400} xij = 1 : 元データのi行目を, どこか1行に対応させる | |
sum_{j = 1..400} xij = 1 : 匿名加工データのj行目を, どこか1行に対応させる | |
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