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cwschilly · cwschilly · commit 7134d119a5f6 · 2026-02-10T20:27:38.000Z
diff --git a/.doctrees/environment.pickle b/.doctrees/environment.pickle
diff --git a/.doctrees/tutorial/hyperreduction.doctree b/.doctrees/tutorial/hyperreduction.doctree
diff --git a/.doctrees/tutorial/understand.doctree b/.doctrees/tutorial/understand.doctree
diff --git a/_sources/tutorial/hyperreduction.rst.txt b/_sources/tutorial/hyperreduction.rst.txt
@@ -91,7 +91,11 @@ is defined:
     auto trialBasis /* aka Phi */ = trialSpace.basisOfTranslatedSpace();
     auto hypredMatrix = /* (Phi^T rhsBasis) * pinv(sampledBasis) */;
 
-    // Construct hyperreducer functor
+    /*
+     * Construct hyperreducer functor with operator() that:
+     *   - Samples full RHS at sampleIndices
+     *   - Applies hypredMatrix to get reduced RHS
+     */
     ExplicitGalerkinHyperReducer hyperReducer(hypredMatrix, sampleIndices);
 
 This code is implemented fully in the ``hyperreduction.h`` file
@@ -102,7 +106,8 @@ user-defined functor that implements an ``operator()`` method
 that takes in a sampled FOM RHS vector and outputs the reduced RHS vector.
 
 Like with the other Pressio interfaces, you can define your
-hyperreducer in any way you like, as long as it meets the API requirements.
+hyperreducer in any way you like, as long as it meets the API requirements
+(namely, defining the ``operator()``).
 
 Now that we have defined the hyper-reducer, we can
 build the ROM almost identically to before, but passing
diff --git a/_sources/tutorial/understand.rst.txt b/_sources/tutorial/understand.rst.txt
@@ -1,3 +1,5 @@
+.. _top-of-page:
+
 How do I use Pressio to build and run a ROM?
 ============================================
 
@@ -8,12 +10,13 @@ Pressio.
 We recommend reading this step-by-step explanation alongside
 the source code itself, which is fully commented to provide
 additional context. The source code for this tutorial
-can be found in ``$SRC/full-tutorial/burgers.cpp``
+can be found in ``$SRC/full-tutorial/burgers.cpp``. It is
+also included :ref:`at the bottom of this page <full-source-file>` for reference.
 
-Each step found below corresponds to the same-named
-section of the source code. After Step 0, we recommend
-you jump to the ``main`` function and follow along with
-the steps as they are explained.
+Each step found below (and in the Table of Contents to the right)
+corresponds to the same-named section of the source code.
+After Step 0, we recommend you jump to the ``main`` function
+and follow along with the steps as they are explained.
 
 .. note::
 
@@ -415,3 +418,17 @@ The plot will be saved to your current directory as
    You'll find that the hyper-reduced ROM does not perform quite as well
    as the standard ROM. But the tradeoff is that the hyper-reduced ROM
    is computationally cheaper to run, especially for large-scale systems.
+
+:ref:`Go to top <top-of-page>`
+
+.. _full-source-file:
+
+Full Source File
+----------------
+
+.. literalinclude:: ../../../full-tutorial/burgers.cpp
+   :language: cpp
+   :lines: 113-
+   :linenos:
+
+:ref:`Go to top <top-of-page>`
diff --git a/build.html b/build.html
@@ -338,7 +338,7 @@ <h2>More details on dependencies<a class="headerlink" href="#more-details-on-dep
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/endtoend/readthisfirst.html b/endtoend/readthisfirst.html
@@ -329,7 +329,7 @@ <h2>Outcomes<a class="headerlink" href="#outcomes" title="Link to this heading">
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/endtoend/swe_galerkin_default.html b/endtoend/swe_galerkin_default.html
@@ -491,7 +491,7 @@ <h2>Step 5: things you can try<a class="headerlink" href="#step-5-things-you-can
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/endtoend/swe_galerkin_hypred_1.html b/endtoend/swe_galerkin_hypred_1.html
@@ -471,7 +471,7 @@ <h3>Runtime comparison<a class="headerlink" href="#runtime-comparison" title="Li
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/endtoend/swe_lspg_default.html b/endtoend/swe_lspg_default.html
@@ -433,7 +433,7 @@ <h2>Step 4: process results<a class="headerlink" href="#step-4-process-results"
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/endtoend/swe_lspg_hypred_1.html b/endtoend/swe_lspg_hypred_1.html
@@ -465,7 +465,7 @@ <h3>Runtime comparison<a class="headerlink" href="#runtime-comparison" title="Li
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/genindex.html b/genindex.html
@@ -267,7 +267,7 @@ <h1 id="index">Index</h1>
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/index.html b/index.html
@@ -317,7 +317,7 @@ <h2>Questions?<a class="headerlink" href="#questions" title="Link to this headin
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/license.html b/license.html
@@ -337,7 +337,7 @@ <h1>License<a class="headerlink" href="#license" title="Link to this heading">¶
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/mydefs.html b/mydefs.html
@@ -270,7 +270,7 @@
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/objects.inv b/objects.inv
diff --git a/search.html b/search.html
@@ -276,7 +276,7 @@
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/searchindex.js b/searchindex.js
diff --git a/tutorial/background.html b/tutorial/background.html
@@ -313,7 +313,7 @@ <h2>1-D Burgers’ Equation<a class="headerlink" href="#d-burgers-equation" titl
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/tutorial/hyperreduction.html b/tutorial/hyperreduction.html
@@ -323,7 +323,11 @@ <h2>Step 3: Build the ROM from the snapshot matrix<a class="headerlink" href="#s
 <span class="k">auto</span><span class="w"> </span><span class="n">trialBasis</span><span class="w"> </span><span class="cm">/* aka Phi */</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">trialSpace</span><span class="p">.</span><span class="n">basisOfTranslatedSpace</span><span class="p">();</span>
 <span class="k">auto</span><span class="w"> </span><span class="n">hypredMatrix</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="cm">/* (Phi^T rhsBasis) * pinv(sampledBasis) */</span><span class="p">;</span>
 
-<span class="c1">// Construct hyperreducer functor</span>
+<span class="cm">/*</span>
+<span class="cm"> * Construct hyperreducer functor with operator() that:</span>
+<span class="cm"> *   - Samples full RHS at sampleIndices</span>
+<span class="cm"> *   - Applies hypredMatrix to get reduced RHS</span>
+<span class="cm"> */</span>
 <span class="n">ExplicitGalerkinHyperReducer</span><span class="w"> </span><span class="nf">hyperReducer</span><span class="p">(</span><span class="n">hypredMatrix</span><span class="p">,</span><span class="w"> </span><span class="n">sampleIndices</span><span class="p">);</span>
 </pre></div>
 </div>
@@ -333,7 +337,8 @@ <h2>Step 3: Build the ROM from the snapshot matrix<a class="headerlink" href="#s
 user-defined functor that implements an <code class="docutils literal notranslate"><span class="pre">operator()</span></code> method
 that takes in a sampled FOM RHS vector and outputs the reduced RHS vector.</p>
 <p>Like with the other Pressio interfaces, you can define your
-hyperreducer in any way you like, as long as it meets the API requirements.</p>
+hyperreducer in any way you like, as long as it meets the API requirements
+(namely, defining the <code class="docutils literal notranslate"><span class="pre">operator()</span></code>).</p>
 <p>Now that we have defined the hyper-reducer, we can
 build the ROM almost identically to before, but passing
 the hyperreducer functor as an additional argument:</p>
@@ -391,7 +396,7 @@ <h2>Step 4-6: As Before<a class="headerlink" href="#step-4-6-as-before" title="L
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/tutorial/overview.html b/tutorial/overview.html
@@ -312,7 +312,7 @@ <h1>End-to-end Tutorial: 1-D Burgers’ Equation<a class="headerlink" href="#end
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/tutorial/start.html b/tutorial/start.html
@@ -335,7 +335,7 @@ <h2>Run<a class="headerlink" href="#run" title="Link to this heading">¶</a></h2
             
             <a href="https://github.com/pradyunsg/furo">Furo</a>
             <div class="last-updated">
-              Last updated on Feb 09, 2026</div>
+              Last updated on Feb 10, 2026</div>
           </div>
           <div class="right-details">
             
diff --git a/tutorial/understand.html b/tutorial/understand.html
