I found the solution

来源: yma16 于 2013-08-17 09:49:45 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (92 bytes)
回答: a linear programming question 由 yma16 于 2013-08-16 18:46:30

It said a solution can drop the slack variables to be a solution of the original LP problem.

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