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Showing posts with the label Linear Programming

I There A Way To Specify Two Constraints For The Same Variable When Using Puthon Pulp For A Linear Program

I was wondering if there is a way two have a variable with two different constraints when using Pyt… Read more I There A Way To Specify Two Constraints For The Same Variable When Using Puthon Pulp For A Linear Program

Why Does Scipy.optimize.linprog Return A Solution That Does Not Satisfy Constraints?

Am I doing something wrong or it is a bug? c = np.array([-1., 0., 0., 0., 0., 0., 0., 0., 0… Read more Why Does Scipy.optimize.linprog Return A Solution That Does Not Satisfy Constraints?

Pulp Add Constraint That At Least One Lpaffineexpression Is Equal To One

Say I have a PuLP model defined as thus: model = pulp.LpProblem('',pulp.LpMaximize) And I h… Read more Pulp Add Constraint That At Least One Lpaffineexpression Is Equal To One

Cplex.linear_constraints.add Too Slow For Large Models

I've been trying to use cplex to solve an optimal transportation problem. The problem model is … Read more Cplex.linear_constraints.add Too Slow For Large Models

How To Use Continuous Variables For If-then Constraints On Docplex (python)?

I'm using DOCPLEX to build up a Mixed Integer Linear Programming (MILP) problem which is then s… Read more How To Use Continuous Variables For If-then Constraints On Docplex (python)?

How Do I Make A Constraint Elastic In Pulp?

I am working on a production allocation problem, whereby sales orders have to be allocated over thr… Read more How Do I Make A Constraint Elastic In Pulp?

L1-norm Minimization

I am trying to minimize the following function using Linear programming. I am unable to include the… Read more L1-norm Minimization