How to find optimal solution when simplex tableau in optimal form has negative solutions?

回答済み

Bekzod Akhmuratov

2023年10月29日 22:29

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Below is the simplex tableau in optimal format. I supposed to have identity matrix, but instead I got negative values. This means my solutions are negative. How to proceed further in order to find optimal solution to a problem?

 

	y₁	y₂	y₃	y₄	y₅	s₁	s₂	s₃	RHS
y₆	3	1	5	1	2	-1	0	0	10
y₇	-1	-2	1	1	-1	0	-1	0	4
y₈	2	3	2	1	1	0	0	-1	7
C	25	25	40	90	20	0	0	0	0

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  Matthias Miltenberger

  • Gurobi Staff

  2023年10月30日 12:37

  Hi Bekzod,

  There are some excellent simplex calculators with step-by-step instructions that will surely help you move forward here: Online Calculator: Simplex Method (linprog.com)

  Cheers,
  Matthias

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