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1、對(duì)偶單純形法是指從對(duì)偶可行性逐步搜索出原始問(wèn)題最優(yōu)解的方法。由線性規(guī)劃問(wèn)題的對(duì)偶理論，原始問(wèn)題的檢驗(yàn)數(shù)對(duì)應(yīng)于對(duì)偶問(wèn)題的一組基本可行解或最優(yōu)解；原始問(wèn)題的一組基本可行解或最優(yōu)解對(duì)應(yīng)于對(duì)偶問(wèn)題的檢驗(yàn)數(shù)；原始問(wèn)題約束方程的系數(shù)矩陣的轉(zhuǎn)置是對(duì)偶問(wèn)題約束條件方程的系數(shù)矩陣。

2、所以，在求解常數(shù)項(xiàng)小于零的線性規(guī)劃問(wèn)題時(shí)，可以把原始問(wèn)題的常數(shù)項(xiàng)視為對(duì)偶問(wèn)題的檢驗(yàn)數(shù)，原始問(wèn)題的檢驗(yàn)數(shù)視為對(duì)偶問(wèn)題的常數(shù)項(xiàng)。