[考試] 經數的問題
Given two points x'=(x'1,x'2,...x'N)屬於R_N
and x"=(x"1,x"2,...x"N)屬於R_N
their convex combination is the set of points x_bar 屬於 R_N
for some λ[0,1],given by x_bar = λx'+(1-λ)x"=[λx'+(1-λ)x"1,...,λx'N
+(1-λ)x"N] 請問x'和x"是指什麼 還有為什麼λ非得介於[0,1]之間 不能[-oo,oo]嗎
謝謝
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◆ From: 123.0.253.214
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可是我用的 MC GRAW HILL出版的數理經濟學這本書 裡面並沒有章節提到這個啊
何況高維連學都沒學過...
※ 編輯: s26307722 來自: 123.0.253.214 (10/23 23:44)
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找到了 感謝
※ 編輯: s26307722 來自: 123.0.253.214 (10/23 23:59)
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