FICO Xpress Optimization Examples Repository: 10 best solutions with the MIP solution enumerator

FICO Xpress Optimization Examples Repository

10 best solutions with the MIP solution enumerator

Description

We take the power generation problem stored in hpw15.mps which seeks to optimise the operating pattern of a group of electricity generators. We run the MIP solution enumerator on the problem using the default setup obtaining the best 10 solutions. The best 10 solutions are stored to a MIP solution pool. The solutions' objectives and solution values are printed to screen.

mipsolenum_dnet.zip

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Source Files

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MipSolEnum.cs	[download]
MipSolEnum.csproj	[download]

Data Files

hpw15.mps

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MipSolEnum.csproj

<?xml version="1.0" encoding="UTF-8" standalone="no"?><Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net8.0</TargetFramework>

    <IsPackable>false</IsPackable>
    <XpressExampleFiles Condition="'$(XpressExampleFiles)'==''">../../data</XpressExampleFiles>
  </PropertyGroup>

  <ItemGroup>
    <Content Include="$(XpressExampleFiles)/hpw15.mps">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>

  <ItemGroup>
    <PackageReference Include="FICO.Xpress.XPRSdn" Version="46.1.1"/> <!-- Version 46.01.01 or later -->
  </ItemGroup>
  
  <!-- This is for execution with "dotnet run" and friends which runs from the project directory rather than the output directory. -->
  <Target AfterTargets="AfterBuild" Name="CopyExampleData">
    <Copy DestinationFolder="$(ProjectDir)" SourceFiles="$(XpressExampleFiles)/hpw15.mps"/>
  </Target>

</Project>