
jake roth
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jake rothによる最近のアクティビティ-
GRB update environment
進行中I am solving an optimization problem `P := min f(x) : x in X` where `X` has many linear constraints. To speed up the process, I instead consider solving a sequence of problems of the form `P^i := m...
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Free model after interrupt (ctrl-c)
回答済みI am using julia, so my question might be more appropriate for the Gurobi.jl folks, but I was hoping to check here first to see if something is possible. I have an optimization `model` that is cu...
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Building a model with more than 2 billion nonzeros: GRBnewmodel vs GRBXaddvars
回答済みI am building an LP model with the C API that I know has more than 2 billion nonzeros, and I am wondering whether the best practice is to (1) initialize all of the variables and bounds with `GRBnew...
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Retrieve relative gap and dual objective value
ユーザーの入力を待っています。I am running a barrier method to solve an LP and a QP and would like to retrieve final residuals: primal infeasibility, dual infeasibility, relative objective value gap final dual objective value ...
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Construct LP from matrix using GRBnewmodel, GRBaddvars, and GRBaddconstr
回答済みHi, I am trying to use the C API to build an LP from scratch. I want to solve `max{c' * x : Ax <= b, x >= 0}`. In particular, I am using Julia and calling the `GRBnewmodel`, `GRBaddvars`, and `GRBa...