diff --git a/doc/pub/week12/html/._week12-bs001.html b/doc/pub/week12/html/._week12-bs001.html
index d0de7f86..3b8ec405 100644
--- a/doc/pub/week12/html/._week12-bs001.html
+++ b/doc/pub/week12/html/._week12-bs001.html
@@ -492,7 +492,7 @@ <h2 id="plans-for-the-week-of-april-8-12-2024" class="anchor">Plans for the week
 <!-- subsequent paragraphs come in larger fonts, so start with a paragraph -->
 <ul>
 <li> <a href="https://youtu.be/6X9OyQlBJWk" target="_self">Video of lecture</a></li>
-<li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril10.pdf" target="_self">Handwritten notes</a></li>
+<li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril12.pdf" target="_self">Handwritten notes</a></li>
 </ul>
 </div>
 </div>
diff --git a/doc/pub/week12/html/week12-reveal.html b/doc/pub/week12/html/week12-reveal.html
index a8dc7b3f..97aa0c87 100644
--- a/doc/pub/week12/html/week12-reveal.html
+++ b/doc/pub/week12/html/week12-reveal.html
@@ -212,7 +212,7 @@ <h2 id="plans-for-the-week-of-april-8-12-2024">Plans for the week of April 8-12,
 <p>
 <ul>
 <p><li> <a href="https://youtu.be/6X9OyQlBJWk" target="_blank">Video of lecture</a></li>
-<p><li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril10.pdf" target="_blank">Handwritten notes</a></li>
+<p><li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril12.pdf" target="_blank">Handwritten notes</a></li>
 </ul>
 </div>
 </section>
diff --git a/doc/pub/week12/html/week12-solarized.html b/doc/pub/week12/html/week12-solarized.html
index 8a240912..53a552cb 100644
--- a/doc/pub/week12/html/week12-solarized.html
+++ b/doc/pub/week12/html/week12-solarized.html
@@ -409,7 +409,7 @@ <h2 id="plans-for-the-week-of-april-8-12-2024">Plans for the week of April 8-12,
 <p>
 <ul>
 <li> <a href="https://youtu.be/6X9OyQlBJWk" target="_blank">Video of lecture</a></li>
-<li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril10.pdf" target="_blank">Handwritten notes</a></li>
+<li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril12.pdf" target="_blank">Handwritten notes</a></li>
 </ul>
 </div>
 
diff --git a/doc/pub/week12/html/week12.html b/doc/pub/week12/html/week12.html
index 1fe728a8..0c57a060 100644
--- a/doc/pub/week12/html/week12.html
+++ b/doc/pub/week12/html/week12.html
@@ -486,7 +486,7 @@ <h2 id="plans-for-the-week-of-april-8-12-2024">Plans for the week of April 8-12,
 <p>
 <ul>
 <li> <a href="https://youtu.be/6X9OyQlBJWk" target="_blank">Video of lecture</a></li>
-<li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril10.pdf" target="_blank">Handwritten notes</a></li>
+<li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril12.pdf" target="_blank">Handwritten notes</a></li>
 </ul>
 </div>
 
diff --git a/doc/pub/week12/ipynb/ipynb-week12-src.tar.gz b/doc/pub/week12/ipynb/ipynb-week12-src.tar.gz
index 8b82b285..a2b4ef73 100644
Binary files a/doc/pub/week12/ipynb/ipynb-week12-src.tar.gz and b/doc/pub/week12/ipynb/ipynb-week12-src.tar.gz differ
diff --git a/doc/pub/week12/ipynb/week12.ipynb b/doc/pub/week12/ipynb/week12.ipynb
index e62148d9..87cc1229 100644
--- a/doc/pub/week12/ipynb/week12.ipynb
+++ b/doc/pub/week12/ipynb/week12.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "3154cba3",
+   "id": "f796646d",
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@@ -14,7 +14,7 @@
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+   "id": "7c353ab3",
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@@ -27,7 +27,7 @@
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+   "id": "416d0d45",
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@@ -40,12 +40,12 @@
     "\n",
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     "\n",
-    "* [Handwritten notes](https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril10.pdf)"
+    "* [Handwritten notes](https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril12.pdf)"
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@@ -57,7 +57,7 @@
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@@ -69,7 +69,7 @@
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@@ -82,7 +82,7 @@
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@@ -94,7 +94,7 @@
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@@ -106,7 +106,7 @@
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@@ -120,7 +120,7 @@
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@@ -132,7 +132,7 @@
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@@ -144,7 +144,7 @@
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@@ -156,7 +156,7 @@
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@@ -166,7 +166,7 @@
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@@ -178,7 +178,7 @@
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@@ -193,7 +193,7 @@
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@@ -205,7 +205,7 @@
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@@ -215,7 +215,7 @@
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@@ -227,7 +227,7 @@
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+   "id": "db353318",
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@@ -240,7 +240,7 @@
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+   "id": "3931e60a",
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@@ -252,7 +252,7 @@
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+   "id": "de74f245",
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@@ -264,7 +264,7 @@
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@@ -274,7 +274,7 @@
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@@ -286,7 +286,7 @@
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@@ -298,7 +298,7 @@
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@@ -310,7 +310,7 @@
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@@ -321,7 +321,7 @@
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@@ -333,7 +333,7 @@
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@@ -347,7 +347,7 @@
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@@ -359,7 +359,7 @@
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@@ -369,7 +369,7 @@
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@@ -381,7 +381,7 @@
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@@ -392,7 +392,7 @@
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+   "id": "e59f5cd2",
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@@ -404,7 +404,7 @@
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+   "id": "990bd5ef",
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@@ -415,7 +415,7 @@
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@@ -427,7 +427,7 @@
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@@ -439,7 +439,7 @@
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@@ -449,7 +449,7 @@
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@@ -460,7 +460,7 @@
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+   "id": "370dd723",
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@@ -472,7 +472,7 @@
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+   "id": "2382a34a",
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@@ -482,7 +482,7 @@
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@@ -494,7 +494,7 @@
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@@ -506,7 +506,7 @@
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@@ -518,7 +518,7 @@
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@@ -530,7 +530,7 @@
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@@ -542,7 +542,7 @@
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@@ -552,7 +552,7 @@
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@@ -564,7 +564,7 @@
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@@ -574,7 +574,7 @@
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@@ -586,7 +586,7 @@
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@@ -600,7 +600,7 @@
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@@ -612,7 +612,7 @@
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@@ -624,7 +624,7 @@
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@@ -634,7 +634,7 @@
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@@ -646,7 +646,7 @@
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@@ -657,7 +657,7 @@
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@@ -669,7 +669,7 @@
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@@ -681,7 +681,7 @@
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@@ -691,7 +691,7 @@
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@@ -706,7 +706,7 @@
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@@ -718,7 +718,7 @@
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@@ -728,7 +728,7 @@
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@@ -740,7 +740,7 @@
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@@ -750,7 +750,7 @@
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@@ -865,7 +865,7 @@
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@@ -979,7 +979,7 @@
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@@ -1045,7 +1045,7 @@
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@@ -1055,7 +1055,7 @@
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@@ -1075,7 +1075,7 @@
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@@ -1090,7 +1090,7 @@
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@@ -1101,7 +1101,7 @@
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@@ -1113,7 +1113,7 @@
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@@ -1127,7 +1127,7 @@
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@@ -1137,7 +1137,7 @@
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@@ -1148,7 +1148,7 @@
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@@ -1165,7 +1165,7 @@
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@@ -1177,7 +1177,7 @@
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@@ -1191,7 +1191,7 @@
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@@ -1201,7 +1201,7 @@
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@@ -1215,7 +1215,7 @@
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@@ -1232,7 +1232,7 @@
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@@ -1243,7 +1243,7 @@
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@@ -1259,7 +1259,7 @@
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@@ -1269,7 +1269,7 @@
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@@ -1287,7 +1287,7 @@
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@@ -1301,7 +1301,7 @@
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@@ -1315,7 +1315,7 @@
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@@ -1336,7 +1336,7 @@
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@@ -1357,7 +1357,7 @@
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@@ -1372,7 +1372,7 @@
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@@ -1388,7 +1388,7 @@
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@@ -1398,7 +1398,7 @@
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@@ -1410,7 +1410,7 @@
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@@ -1427,7 +1427,7 @@
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@@ -1448,7 +1448,7 @@
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@@ -1467,7 +1467,7 @@
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@@ -1486,7 +1486,7 @@
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@@ -1504,7 +1504,7 @@
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@@ -1518,7 +1518,7 @@
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@@ -1532,7 +1532,7 @@
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@@ -1544,7 +1544,7 @@
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@@ -1559,7 +1559,7 @@
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@@ -1569,7 +1569,7 @@
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@@ -1583,7 +1583,7 @@
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@@ -1595,7 +1595,7 @@
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@@ -1617,7 +1617,7 @@
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@@ -1629,7 +1629,7 @@
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@@ -1643,7 +1643,7 @@
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@@ -1656,7 +1656,7 @@
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@@ -1677,7 +1677,7 @@
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@@ -1689,7 +1689,7 @@
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@@ -1707,7 +1707,7 @@
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@@ -1717,7 +1717,7 @@
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@@ -1731,7 +1731,7 @@
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@@ -1743,7 +1743,7 @@
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@@ -1758,7 +1758,7 @@
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@@ -1768,7 +1768,7 @@
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@@ -1783,7 +1783,7 @@
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@@ -1795,7 +1795,7 @@
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@@ -1813,7 +1813,7 @@
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@@ -1823,7 +1823,7 @@
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@@ -1844,7 +1844,7 @@
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@@ -1856,7 +1856,7 @@
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@@ -1871,7 +1871,7 @@
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@@ -1885,7 +1885,7 @@
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@@ -1904,7 +1904,7 @@
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@@ -1918,7 +1918,7 @@
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@@ -1956,7 +1956,7 @@
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@@ -1968,7 +1968,7 @@
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@@ -1990,7 +1990,7 @@
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@@ -2002,7 +2002,7 @@
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@@ -2020,7 +2020,7 @@
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@@ -2032,7 +2032,7 @@
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@@ -2072,7 +2072,7 @@
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@@ -2090,7 +2090,7 @@
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@@ -2102,7 +2102,7 @@
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@@ -2116,7 +2116,7 @@
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@@ -2126,7 +2126,7 @@
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@@ -2141,7 +2141,7 @@
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@@ -2152,7 +2152,7 @@
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@@ -2169,7 +2169,7 @@
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@@ -2187,7 +2187,7 @@
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@@ -2202,7 +2202,7 @@
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@@ -2223,7 +2223,7 @@
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@@ -2240,7 +2240,7 @@
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@@ -2254,7 +2254,7 @@
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@@ -2264,7 +2264,7 @@
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@@ -2279,7 +2279,7 @@
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@@ -2289,7 +2289,7 @@
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@@ -2303,7 +2303,7 @@
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@@ -2318,7 +2318,7 @@
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@@ -2329,7 +2329,7 @@
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@@ -2349,7 +2349,7 @@
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@@ -2362,7 +2362,7 @@
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@@ -2631,7 +2631,7 @@
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@@ -2652,7 +2652,7 @@
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@@ -2664,7 +2664,7 @@
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@@ -2676,7 +2676,7 @@
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@@ -2688,7 +2688,7 @@
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@@ -2707,7 +2707,7 @@
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@@ -2724,7 +2724,7 @@
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@@ -2742,7 +2742,7 @@
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@@ -2752,7 +2752,7 @@
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@@ -2764,7 +2764,7 @@
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@@ -2782,7 +2782,7 @@
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@@ -2796,7 +2796,7 @@
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@@ -2819,7 +2819,7 @@
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@@ -2838,7 +2838,7 @@
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diff --git a/doc/pub/week12/pdf/week12-beamer.pdf b/doc/pub/week12/pdf/week12-beamer.pdf
index cf6e0c7e..2eeb0968 100644
Binary files a/doc/pub/week12/pdf/week12-beamer.pdf and b/doc/pub/week12/pdf/week12-beamer.pdf differ
diff --git a/doc/pub/week12/pdf/week12.pdf b/doc/pub/week12/pdf/week12.pdf
index 949f902f..ecf6d27a 100644
Binary files a/doc/pub/week12/pdf/week12.pdf and b/doc/pub/week12/pdf/week12.pdf differ
diff --git a/doc/src/week12/week12.do.txt b/doc/src/week12/week12.do.txt
index 4039fdaf..a10a7428 100644
--- a/doc/src/week12/week12.do.txt
+++ b/doc/src/week12/week12.do.txt
@@ -13,7 +13,7 @@ o If time, start discussion on how to implement Slater determinants, see last pa
 
 !bblock
 * "Video of lecture":"https://youtu.be/6X9OyQlBJWk"
-* "Handwritten notes":"https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril10.pdf"
+* "Handwritten notes":"https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesApril12.pdf"
 !eblock