Sudheer Reddy
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Recent activity by Sudheer Reddy
AddGenConstrIndicator coefficients are high
Awaiting user inputIn MPS file I am seeing coefficients of e+05. C55798(6) gen282 1.1748062592941143e+05C55798(6) gen283 1.1748062592941143e+05 C55873(6) gen282 3.5745765630245427e+04C55873(6) gen2...

Update Gurobi to a newer version throwing error
AnsweredEven I have Gurobi Lic 11.0.0 I am not able to upgrade and getting below errors

Warning: max constraint violation (9.2015e06) exceeds tolerance
AnsweredGurobi Optimizer version 9.5.0 build v9.5.0rc5 (win64)Gurobi Compute Server Worker version 9.5.0 build v9.5.0rc5 (win64)Thread count: 8 physical cores, 8 logical processors, using up to 8 threadsOp...

Integer Solutions of Linear Programming Problems
AnsweredIdentifying cases where the solution to an LP problem happens to be integervalued without explicitly formulating it as an Integer Linear Programming (ILP) problem. I understand that in some LP pro...

Solver stopping criteria currently I am using MIPGAp and Time Limit and looking to add another stopping criteria
AnsweredMost of the scenarios are completing within 10 mins with MIP gap of 0.01, but only 2 scenarios are reaching the time limit. The two scenarios mostly follows similar graphs as shown below. I'm consi...

Is best bound estimation always accurate as it is changing over time?
OngoingIs best bound estimation always accurate. below are my logs Since best bounds is changing over run time. Gurobi 9.5.0 (win64) logging started Sat Feb 24 23:07:18 2024Set parameter MIPGap to value ...

Model logs shows Numerical Issues how to handle this
AnsweredThe model log tells, Consider reformulating model. Here how to find which part of the constraint I need to reformulate. Is there any way to see which constraints are causing this issue? Model con...

In C# I am not able to find this attribute Model.printQuality() or Model.PrintQuality()
AnsweredI am not able to find the model.printQuality for C#

GRBGenConstr how to get slacks for this type of constriants
AnsweredI am using AddGenConstrIndicator in C# how to get constraint slacks. I am able to get slacks for GRBConstr constraints. But how to get for GRBGenConstr

Relaxing constraints to see how much we can improve objective value
AnsweredIn Mixed Integer Programming (MIP), I am trying to find list of constraints which I can relax and see how much the objective value can be increased (just like shadow price in LP)How to achieve this...