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Variable on boundary of summation

Posted: Thu May 14, 2020 6:20 pm
by mehdimehryar
Hi dear
I have problem with attached models that I need to have decision variable in lower band or upper band of summation.
in the first model i need to find x,y,z and in second model I need to find x that I know the solution of second model is 5 but I want to solved by gams.
mehryar.png