I can't for the life of me understand this topic. given a point x =(1,1,1,1,1,1,1) and a primal LP, does the point solve the primal? An internet search revealed no answer to my question, only criteria which involves knowing y. I am aware that [itex]\sum[/itex]a(adsbygoogle = window.adsbygoogle || []).push({}); _{ij}x_{j}< b then y_{i}= 0, so I at least know which elements of y are zero, but the rest of the steps elude me.

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# Testing optimality via complementary slackness

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