FICO Xpress Optimization Examples Repository: Els - An economic lot-sizing problem solved by cut-and-branch and branch-and-cut heuristics

FICO Xpress Optimization Examples Repository

Els - An economic lot-sizing problem solved by cut-and-branch and branch-and-cut heuristics

Description

The version 'ELS' of this example shows how to implement cut-and-branch (= cut generation at the root node of the MIP search) and 'ELSCut' implements a branch-and-cut (= cut generation at the MIP search tree nodes) algorithm using the cut manager.

els_dnet.zip

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Source Files

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ELS.cs	[download]
ELS.csproj	[download]
ELSCut.cs	[download]
ELSCut.csproj	[download]

ELSCut.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net5.0</TargetFramework>

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

  <ItemGroup>
    <PackageReference Include="FICO.Xpress.XPRSdn" Version="41.1.1" /> <!-- Version 41.1.1 or later -->
  </ItemGroup>
  
</Project>