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<!DOCTYPE html>
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<title>8. Components &#8212; MIPLearn 0.3</title>
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<h1 class="site-logo" id="site-title">MIPLearn 0.3</h1>
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User Guide
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<ul class="nav bd-sidenav">
<li class="toctree-l1">
<a class="reference internal" href="../../guide/problems/">
1. Benchmark Problems
</a>
</li>
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<a class="reference internal" href="../../guide/collectors/">
2. Training Data Collectors
</a>
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<a class="reference internal" href="../../guide/features/">
3. Feature Extractors
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<a class="reference internal" href="../../guide/primal/">
4. Primal Components
</a>
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5. Solvers
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API Reference
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<a class="reference internal" href="../problems/">
6. Benchmark Problems
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<a class="reference internal" href="../collectors/">
7. Collectors &amp; Extractors
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8. Components
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<a class="reference internal" href="../solvers/">
9. Solvers
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10. Helpers
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<li class="toc-h2 nav-item toc-entry">
<a class="reference internal nav-link" href="#module-miplearn.components.primal.actions">
8.1. miplearn.components.primal.actions
</a>
</li>
<li class="toc-h2 nav-item toc-entry">
<a class="reference internal nav-link" href="#module-miplearn.components.primal.expert">
8.2. miplearn.components.primal.expert
</a>
</li>
<li class="toc-h2 nav-item toc-entry">
<a class="reference internal nav-link" href="#module-miplearn.components.primal.indep">
8.3. miplearn.components.primal.indep
</a>
</li>
<li class="toc-h2 nav-item toc-entry">
<a class="reference internal nav-link" href="#module-miplearn.components.primal.joint">
8.4. miplearn.components.primal.joint
</a>
</li>
<li class="toc-h2 nav-item toc-entry">
<a class="reference internal nav-link" href="#module-miplearn.components.primal.mem">
8.5. miplearn.components.primal.mem
</a>
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<div class="section" id="components">
<h1><span class="section-number">8. </span>Components<a class="headerlink" href="#components" title="Permalink to this headline"></a></h1>
<div class="section" id="module-miplearn.components.primal.actions">
<span id="miplearn-components-primal-actions"></span><h2><span class="section-number">8.1. </span>miplearn.components.primal.actions<a class="headerlink" href="#module-miplearn.components.primal.actions" title="Permalink to this headline"></a></h2>
<dl class="py class">
<dt id="miplearn.components.primal.actions.EnforceProximity">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.actions.</span></code><code class="sig-name descname"><span class="pre">EnforceProximity</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tol</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">float</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#miplearn.components.primal.actions.EnforceProximity" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#miplearn.components.primal.actions.PrimalComponentAction" title="miplearn.components.primal.actions.PrimalComponentAction"><code class="xref py py-class docutils literal notranslate"><span class="pre">miplearn.components.primal.actions.PrimalComponentAction</span></code></a></p>
<dl class="py method">
<dt id="miplearn.components.primal.actions.EnforceProximity.perform">
<code class="sig-name descname"><span class="pre">perform</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">model</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="../solvers/#miplearn.solvers.abstract.AbstractModel" title="miplearn.solvers.abstract.AbstractModel"><span class="pre">miplearn.solvers.abstract.AbstractModel</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">var_names</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">var_values</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stats</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Optional</span><span class="p"><span class="pre">[</span></span><span class="pre">Dict</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.actions.EnforceProximity.perform" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="miplearn.components.primal.actions.FixVariables">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.actions.</span></code><code class="sig-name descname"><span class="pre">FixVariables</span></code><a class="headerlink" href="#miplearn.components.primal.actions.FixVariables" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#miplearn.components.primal.actions.PrimalComponentAction" title="miplearn.components.primal.actions.PrimalComponentAction"><code class="xref py py-class docutils literal notranslate"><span class="pre">miplearn.components.primal.actions.PrimalComponentAction</span></code></a></p>
<dl class="py method">
<dt id="miplearn.components.primal.actions.FixVariables.perform">
<code class="sig-name descname"><span class="pre">perform</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">model</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="../solvers/#miplearn.solvers.abstract.AbstractModel" title="miplearn.solvers.abstract.AbstractModel"><span class="pre">miplearn.solvers.abstract.AbstractModel</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">var_names</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">var_values</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stats</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Optional</span><span class="p"><span class="pre">[</span></span><span class="pre">Dict</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.actions.FixVariables.perform" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="miplearn.components.primal.actions.PrimalComponentAction">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.actions.</span></code><code class="sig-name descname"><span class="pre">PrimalComponentAction</span></code><a class="headerlink" href="#miplearn.components.primal.actions.PrimalComponentAction" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">abc.ABC</span></code></p>
<dl class="py method">
<dt id="miplearn.components.primal.actions.PrimalComponentAction.perform">
<em class="property"><span class="pre">abstract</span> </em><code class="sig-name descname"><span class="pre">perform</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">model</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="../solvers/#miplearn.solvers.abstract.AbstractModel" title="miplearn.solvers.abstract.AbstractModel"><span class="pre">miplearn.solvers.abstract.AbstractModel</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">var_names</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">var_values</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stats</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Optional</span><span class="p"><span class="pre">[</span></span><span class="pre">Dict</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.actions.PrimalComponentAction.perform" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="miplearn.components.primal.actions.SetWarmStart">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.actions.</span></code><code class="sig-name descname"><span class="pre">SetWarmStart</span></code><a class="headerlink" href="#miplearn.components.primal.actions.SetWarmStart" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#miplearn.components.primal.actions.PrimalComponentAction" title="miplearn.components.primal.actions.PrimalComponentAction"><code class="xref py py-class docutils literal notranslate"><span class="pre">miplearn.components.primal.actions.PrimalComponentAction</span></code></a></p>
<dl class="py method">
<dt id="miplearn.components.primal.actions.SetWarmStart.perform">
<code class="sig-name descname"><span class="pre">perform</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">model</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="../solvers/#miplearn.solvers.abstract.AbstractModel" title="miplearn.solvers.abstract.AbstractModel"><span class="pre">miplearn.solvers.abstract.AbstractModel</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">var_names</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">var_values</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stats</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Optional</span><span class="p"><span class="pre">[</span></span><span class="pre">Dict</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.actions.SetWarmStart.perform" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
</div>
<div class="section" id="module-miplearn.components.primal.expert">
<span id="miplearn-components-primal-expert"></span><h2><span class="section-number">8.2. </span>miplearn.components.primal.expert<a class="headerlink" href="#module-miplearn.components.primal.expert" title="Permalink to this headline"></a></h2>
<dl class="py class">
<dt id="miplearn.components.primal.expert.ExpertPrimalComponent">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.expert.</span></code><code class="sig-name descname"><span class="pre">ExpertPrimalComponent</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">action</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="#miplearn.components.primal.actions.PrimalComponentAction" title="miplearn.components.primal.actions.PrimalComponentAction"><span class="pre">miplearn.components.primal.actions.PrimalComponentAction</span></a></span></em><span class="sig-paren">)</span><a class="headerlink" href="#miplearn.components.primal.expert.ExpertPrimalComponent" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
<dl class="py method">
<dt id="miplearn.components.primal.expert.ExpertPrimalComponent.before_mip">
<code class="sig-name descname"><span class="pre">before_mip</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">test_h5</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">model</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="../solvers/#miplearn.solvers.abstract.AbstractModel" title="miplearn.solvers.abstract.AbstractModel"><span class="pre">miplearn.solvers.abstract.AbstractModel</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">stats</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.expert.ExpertPrimalComponent.before_mip" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="miplearn.components.primal.expert.ExpertPrimalComponent.fit">
<code class="sig-name descname"><span class="pre">fit</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">train_h5</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">List</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.expert.ExpertPrimalComponent.fit" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
</div>
<div class="section" id="module-miplearn.components.primal.indep">
<span id="miplearn-components-primal-indep"></span><h2><span class="section-number">8.3. </span>miplearn.components.primal.indep<a class="headerlink" href="#module-miplearn.components.primal.indep" title="Permalink to this headline"></a></h2>
<dl class="py class">
<dt id="miplearn.components.primal.indep.IndependentVarsPrimalComponent">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.indep.</span></code><code class="sig-name descname"><span class="pre">IndependentVarsPrimalComponent</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="pre">base_clf:</span> <span class="pre">Any,</span> <span class="pre">extractor:</span> <span class="pre">miplearn.extractors.abstract.FeaturesExtractor,</span> <span class="pre">action:</span> <span class="pre">miplearn.components.primal.actions.PrimalComponentAction,</span> <span class="pre">clone_fn:</span> <span class="pre">Callable[[Any],</span> <span class="pre">Any]</span> <span class="pre">=</span> <span class="pre">&lt;function</span> <span class="pre">clone&gt;</span></em><span class="sig-paren">)</span><a class="headerlink" href="#miplearn.components.primal.indep.IndependentVarsPrimalComponent" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
<dl class="py method">
<dt id="miplearn.components.primal.indep.IndependentVarsPrimalComponent.before_mip">
<code class="sig-name descname"><span class="pre">before_mip</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">test_h5</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">model</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="../solvers/#miplearn.solvers.abstract.AbstractModel" title="miplearn.solvers.abstract.AbstractModel"><span class="pre">miplearn.solvers.abstract.AbstractModel</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">stats</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.indep.IndependentVarsPrimalComponent.before_mip" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="miplearn.components.primal.indep.IndependentVarsPrimalComponent.fit">
<code class="sig-name descname"><span class="pre">fit</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">train_h5</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">List</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.indep.IndependentVarsPrimalComponent.fit" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
</div>
<div class="section" id="module-miplearn.components.primal.joint">
<span id="miplearn-components-primal-joint"></span><h2><span class="section-number">8.4. </span>miplearn.components.primal.joint<a class="headerlink" href="#module-miplearn.components.primal.joint" title="Permalink to this headline"></a></h2>
<dl class="py class">
<dt id="miplearn.components.primal.joint.JointVarsPrimalComponent">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.joint.</span></code><code class="sig-name descname"><span class="pre">JointVarsPrimalComponent</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">clf</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Any</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">extractor</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">miplearn.extractors.abstract.FeaturesExtractor</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">action</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="#miplearn.components.primal.actions.PrimalComponentAction" title="miplearn.components.primal.actions.PrimalComponentAction"><span class="pre">miplearn.components.primal.actions.PrimalComponentAction</span></a></span></em><span class="sig-paren">)</span><a class="headerlink" href="#miplearn.components.primal.joint.JointVarsPrimalComponent" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
<dl class="py method">
<dt id="miplearn.components.primal.joint.JointVarsPrimalComponent.before_mip">
<code class="sig-name descname"><span class="pre">before_mip</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">test_h5</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">model</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="../solvers/#miplearn.solvers.abstract.AbstractModel" title="miplearn.solvers.abstract.AbstractModel"><span class="pre">miplearn.solvers.abstract.AbstractModel</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">stats</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.joint.JointVarsPrimalComponent.before_mip" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="miplearn.components.primal.joint.JointVarsPrimalComponent.fit">
<code class="sig-name descname"><span class="pre">fit</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">train_h5</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">List</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.joint.JointVarsPrimalComponent.fit" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
</div>
<div class="section" id="module-miplearn.components.primal.mem">
<span id="miplearn-components-primal-mem"></span><h2><span class="section-number">8.5. </span>miplearn.components.primal.mem<a class="headerlink" href="#module-miplearn.components.primal.mem" title="Permalink to this headline"></a></h2>
<dl class="py class">
<dt id="miplearn.components.primal.mem.MemorizingPrimalComponent">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.mem.</span></code><code class="sig-name descname"><span class="pre">MemorizingPrimalComponent</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">clf</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Any</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">extractor</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">miplearn.extractors.abstract.FeaturesExtractor</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">constructor</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="#miplearn.components.primal.mem.SolutionConstructor" title="miplearn.components.primal.mem.SolutionConstructor"><span class="pre">miplearn.components.primal.mem.SolutionConstructor</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">action</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="#miplearn.components.primal.actions.PrimalComponentAction" title="miplearn.components.primal.actions.PrimalComponentAction"><span class="pre">miplearn.components.primal.actions.PrimalComponentAction</span></a></span></em><span class="sig-paren">)</span><a class="headerlink" href="#miplearn.components.primal.mem.MemorizingPrimalComponent" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
<p>Component that memorizes all solutions seen during training, then fits a
single classifier to predict which of the memorized solutions should be
provided to the solver. Optionally combines multiple memorized solutions
into a single, partial one.</p>
<dl class="py method">
<dt id="miplearn.components.primal.mem.MemorizingPrimalComponent.before_mip">
<code class="sig-name descname"><span class="pre">before_mip</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">test_h5</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">model</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><a class="reference internal" href="../solvers/#miplearn.solvers.abstract.AbstractModel" title="miplearn.solvers.abstract.AbstractModel"><span class="pre">miplearn.solvers.abstract.AbstractModel</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">stats</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">Dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.mem.MemorizingPrimalComponent.before_mip" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="py method">
<dt id="miplearn.components.primal.mem.MemorizingPrimalComponent.fit">
<code class="sig-name descname"><span class="pre">fit</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">train_h5</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">List</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">None</span><a class="headerlink" href="#miplearn.components.primal.mem.MemorizingPrimalComponent.fit" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="miplearn.components.primal.mem.MergeTopSolutions">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.mem.</span></code><code class="sig-name descname"><span class="pre">MergeTopSolutions</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">k</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">int</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">thresholds</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">List</span><span class="p"><span class="pre">[</span></span><span class="pre">float</span><span class="p"><span class="pre">]</span></span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#miplearn.components.primal.mem.MergeTopSolutions" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#miplearn.components.primal.mem.SolutionConstructor" title="miplearn.components.primal.mem.SolutionConstructor"><code class="xref py py-class docutils literal notranslate"><span class="pre">miplearn.components.primal.mem.SolutionConstructor</span></code></a></p>
<p>Warm start construction strategy that first selects the top k solutions,
then merges them into a single solution.</p>
<p>To merge the solutions, the strategy first computes the mean optimal value of each
decision variable, then: (i) sets the variable to zero if the mean is below
thresholds[0]; (ii) sets the variable to one if the mean is above thresholds[1];
(iii) leaves the variable free otherwise.</p>
<dl class="py method">
<dt id="miplearn.components.primal.mem.MergeTopSolutions.construct">
<code class="sig-name descname"><span class="pre">construct</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">y_proba</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">solutions</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">numpy.ndarray</span><a class="headerlink" href="#miplearn.components.primal.mem.MergeTopSolutions.construct" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="miplearn.components.primal.mem.SelectTopSolutions">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.mem.</span></code><code class="sig-name descname"><span class="pre">SelectTopSolutions</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">k</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">int</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#miplearn.components.primal.mem.SelectTopSolutions" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#miplearn.components.primal.mem.SolutionConstructor" title="miplearn.components.primal.mem.SolutionConstructor"><code class="xref py py-class docutils literal notranslate"><span class="pre">miplearn.components.primal.mem.SolutionConstructor</span></code></a></p>
<p>Warm start construction strategy that selects and returns the top k solutions.</p>
<dl class="py method">
<dt id="miplearn.components.primal.mem.SelectTopSolutions.construct">
<code class="sig-name descname"><span class="pre">construct</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">y_proba</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">solutions</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">numpy.ndarray</span><a class="headerlink" href="#miplearn.components.primal.mem.SelectTopSolutions.construct" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt id="miplearn.components.primal.mem.SolutionConstructor">
<em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">miplearn.components.primal.mem.</span></code><code class="sig-name descname"><span class="pre">SolutionConstructor</span></code><a class="headerlink" href="#miplearn.components.primal.mem.SolutionConstructor" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">abc.ABC</span></code></p>
<dl class="py method">
<dt id="miplearn.components.primal.mem.SolutionConstructor.construct">
<em class="property"><span class="pre">abstract</span> </em><code class="sig-name descname"><span class="pre">construct</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">y_proba</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">solutions</span></span><span class="p"><span class="pre">:</span></span> <span class="n"><span class="pre">numpy.ndarray</span></span></em><span class="sig-paren">)</span> &#x2192; <span class="pre">numpy.ndarray</span><a class="headerlink" href="#miplearn.components.primal.mem.SolutionConstructor.construct" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
</div>
</div>
</div>
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<a class='left-prev' id="prev-link" href="../collectors/" title="previous page"><span class="section-number">7. </span>Collectors &amp; Extractors</a>
<a class='right-next' id="next-link" href="../solvers/" title="next page"><span class="section-number">9. </span>Solvers</a>
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