單項(xiàng)選擇題關(guān)于目標(biāo)函數(shù),下列說(shuō)法中錯(cuò)誤的是()。

A.求目標(biāo)函數(shù)最大值的線性規(guī)劃中,對(duì)偶價(jià)格等于影子價(jià)格
B.當(dāng)對(duì)偶價(jià)格為正,將改進(jìn)目標(biāo)函數(shù)值
C.求目標(biāo)函數(shù)最小值的線性規(guī)劃中,影子價(jià)格為對(duì)偶價(jià)格的相反數(shù)
D.當(dāng)影子價(jià)格為負(fù),將“惡化”目標(biāo)函數(shù)值


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1.單項(xiàng)選擇題關(guān)于原問(wèn)題的約束條件,下列說(shuō)法不正確的是()。

A.原問(wèn)題有m個(gè)約束條件,對(duì)偶問(wèn)題有m個(gè)變量;原問(wèn)題有n個(gè)變量,對(duì)偶問(wèn)題有n個(gè)約束條件
B.原問(wèn)題的價(jià)值系數(shù)對(duì)應(yīng)對(duì)偶問(wèn)題的右端項(xiàng);原問(wèn)題的右端項(xiàng)對(duì)應(yīng)對(duì)偶問(wèn)題的價(jià)值系數(shù)
C.原問(wèn)題的約束條件系數(shù)矩陣為對(duì)偶問(wèn)題系數(shù)矩陣
D.原問(wèn)題的約束條件系數(shù)矩陣轉(zhuǎn)置后為對(duì)偶問(wèn)題系數(shù)矩陣

5.單項(xiàng)選擇題兩階段法求線性規(guī)劃問(wèn)題,第一階段的目的是為了()。

A.確定原問(wèn)題是否有基本可行解
B.確定原問(wèn)題是否有最優(yōu)解
C.確定原問(wèn)題是否有無(wú)界解