RUPKATHA GHOSH
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Latest activity by RUPKATHA GHOSH-
RUPKATHA GHOSH commented,
I just have one small concern. Why do we need to define the upper bound of the variables so tightly? While using LINGO, the w variables are defined as >= 0. But, for Gurobi, I have to put the ub as...
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RUPKATHA GHOSH commented,
No, it has. It has declared all the 'd' variables as free variables at the end. Also, for the W variables, LINGO, being an optimization software automatically imposes non-negativity restrictions. S...
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RUPKATHA GHOSH created a post,
Adding a logarithmic constraint on a decision variable in Gurobi
AnsweredHi, So, I wanted to add this constraint to my quadratic model i.e., ln (w1) - ln (w2) + d12 = ln 2, where all these are decision variables. Since, logarithm does not take variable values, so I intr...