A.若某個(gè)變量取值為0,則對(duì)應(yīng)的對(duì)偶約束為嚴(yán)格的不等式 B.若某個(gè)變量取值為正,則相應(yīng)的對(duì)偶約束必為等式 C.若某個(gè)約束為等式,則相應(yīng)的對(duì)偶變?nèi)≈禐檎?br /> D.若某個(gè)約束為嚴(yán)格的不等式,則相應(yīng)的對(duì)偶變量取值為0 E.若某個(gè)約束為等式,則相應(yīng)的對(duì)偶變量取值為0
A.原問(wèn)題的約束條件“≥”,對(duì)應(yīng)的對(duì)偶變量“≥0” B.原問(wèn)題的約束條件為“=”,對(duì)應(yīng)的對(duì)偶變量為自由變量 C.原問(wèn)題的變量“≥0”,對(duì)應(yīng)的對(duì)偶約束“≥” D.原問(wèn)題的變量“≤O”對(duì)應(yīng)的對(duì)偶約束“≤” E.原問(wèn)題的變量無(wú)符號(hào)限制,對(duì)應(yīng)的對(duì)偶約束“=”
A.一個(gè)問(wèn)題有可行解,另一個(gè)問(wèn)題無(wú)可行解 B.兩個(gè)問(wèn)題都有可行解 C.兩個(gè)問(wèn)題都無(wú)可行解 D.一個(gè)問(wèn)題無(wú)界,另一個(gè)問(wèn)題可行