diff --git a/doc/pub/week5/html/._week5-bs001.html b/doc/pub/week5/html/._week5-bs001.html
index a3459b04..7aa903cd 100644
--- a/doc/pub/week5/html/._week5-bs001.html
+++ b/doc/pub/week5/html/._week5-bs001.html
@@ -262,7 +262,7 @@ <h2 id="plans-for-the-week-of-february-12-16" class="anchor">Plans for the week
 <li> Reminder on Fokker-Planck equation and Langevin equations</li>
 <li> Start optimization: Expressions for derivatives as functions of the variational parameters</li>
 <li> Newton's method, gradient descent, Steepest descent and Conjugate Gradient Descent</li> 
-<li> <a href="https://youtu.be/joauB2h5Vmo" target="_self">Video of Lecture TBA</a></li>
+<li> <a href="https://youtu.be/joauB2h5Vmo" target="_self">Video of Lecture</a></li>
 <li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesFebruary16.pdf" target="_self">Handwritten notes</a></li>
 </ul>
 </div>
diff --git a/doc/pub/week5/html/week5-reveal.html b/doc/pub/week5/html/week5-reveal.html
index 4a6c32a6..64674abd 100644
--- a/doc/pub/week5/html/week5-reveal.html
+++ b/doc/pub/week5/html/week5-reveal.html
@@ -206,7 +206,7 @@ <h2 id="plans-for-the-week-of-february-12-16">Plans for the week of February 12-
 <p><li> Reminder on Fokker-Planck equation and Langevin equations</li>
 <p><li> Start optimization: Expressions for derivatives as functions of the variational parameters</li>
 <p><li> Newton's method, gradient descent, Steepest descent and Conjugate Gradient Descent</li> 
-<p><li> <a href="https://youtu.be/joauB2h5Vmo" target="_blank">Video of Lecture TBA</a></li>
+<p><li> <a href="https://youtu.be/joauB2h5Vmo" target="_blank">Video of Lecture</a></li>
 <p><li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesFebruary16.pdf" target="_blank">Handwritten notes</a></li>
 </ul>
 </div>
diff --git a/doc/pub/week5/html/week5-solarized.html b/doc/pub/week5/html/week5-solarized.html
index a2652213..f65fa11b 100644
--- a/doc/pub/week5/html/week5-solarized.html
+++ b/doc/pub/week5/html/week5-solarized.html
@@ -245,7 +245,7 @@ <h2 id="plans-for-the-week-of-february-12-16">Plans for the week of February 12-
 <li> Reminder on Fokker-Planck equation and Langevin equations</li>
 <li> Start optimization: Expressions for derivatives as functions of the variational parameters</li>
 <li> Newton's method, gradient descent, Steepest descent and Conjugate Gradient Descent</li> 
-<li> <a href="https://youtu.be/joauB2h5Vmo" target="_blank">Video of Lecture TBA</a></li>
+<li> <a href="https://youtu.be/joauB2h5Vmo" target="_blank">Video of Lecture</a></li>
 <li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesFebruary16.pdf" target="_blank">Handwritten notes</a></li>
 </ul>
 </div>
diff --git a/doc/pub/week5/html/week5.html b/doc/pub/week5/html/week5.html
index e3dcb5d9..0d3cb68e 100644
--- a/doc/pub/week5/html/week5.html
+++ b/doc/pub/week5/html/week5.html
@@ -322,7 +322,7 @@ <h2 id="plans-for-the-week-of-february-12-16">Plans for the week of February 12-
 <li> Reminder on Fokker-Planck equation and Langevin equations</li>
 <li> Start optimization: Expressions for derivatives as functions of the variational parameters</li>
 <li> Newton's method, gradient descent, Steepest descent and Conjugate Gradient Descent</li> 
-<li> <a href="https://youtu.be/joauB2h5Vmo" target="_blank">Video of Lecture TBA</a></li>
+<li> <a href="https://youtu.be/joauB2h5Vmo" target="_blank">Video of Lecture</a></li>
 <li> <a href="https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesFebruary16.pdf" target="_blank">Handwritten notes</a></li>
 </ul>
 </div>
diff --git a/doc/pub/week5/ipynb/ipynb-week5-src.tar.gz b/doc/pub/week5/ipynb/ipynb-week5-src.tar.gz
index f704fbd9..964426e0 100644
Binary files a/doc/pub/week5/ipynb/ipynb-week5-src.tar.gz and b/doc/pub/week5/ipynb/ipynb-week5-src.tar.gz differ
diff --git a/doc/pub/week5/ipynb/week5.ipynb b/doc/pub/week5/ipynb/week5.ipynb
index 83ec1508..b104f45a 100644
--- a/doc/pub/week5/ipynb/week5.ipynb
+++ b/doc/pub/week5/ipynb/week5.ipynb
@@ -2,7 +2,7 @@
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+   "id": "0c1f1a88",
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@@ -14,7 +14,7 @@
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+   "id": "781cb056",
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@@ -43,7 +43,7 @@
     "\n",
     "* Newton's method, gradient descent, Steepest descent and Conjugate Gradient Descent \n",
     "\n",
-    "* [Video of Lecture TBA](https://youtu.be/joauB2h5Vmo)\n",
+    "* [Video of Lecture](https://youtu.be/joauB2h5Vmo)\n",
     "\n",
     "* [Handwritten notes](https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesFebruary16.pdf)\n",
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@@ -58,7 +58,7 @@
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@@ -151,7 +151,7 @@
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@@ -208,7 +208,7 @@
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@@ -230,7 +230,7 @@
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@@ -250,7 +250,7 @@
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@@ -261,7 +261,7 @@
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@@ -272,7 +272,7 @@
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@@ -283,7 +283,7 @@
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@@ -294,7 +294,7 @@
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@@ -316,7 +316,7 @@
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@@ -374,7 +374,7 @@
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@@ -386,7 +386,7 @@
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@@ -397,7 +397,7 @@
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@@ -409,7 +409,7 @@
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@@ -419,7 +419,7 @@
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@@ -431,7 +431,7 @@
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@@ -441,7 +441,7 @@
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@@ -453,7 +453,7 @@
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@@ -463,7 +463,7 @@
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@@ -474,7 +474,7 @@
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@@ -486,7 +486,7 @@
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@@ -497,7 +497,7 @@
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@@ -508,7 +508,7 @@
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-   "id": "48b0526a",
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@@ -664,7 +664,7 @@
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@@ -676,7 +676,7 @@
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@@ -876,7 +876,7 @@
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@@ -886,7 +886,7 @@
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@@ -906,7 +906,7 @@
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@@ -922,7 +922,7 @@
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@@ -938,7 +938,7 @@
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@@ -949,7 +949,7 @@
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@@ -993,7 +993,7 @@
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@@ -1371,7 +1371,7 @@
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@@ -1449,7 +1449,7 @@
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   {
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-   "id": "2a95a450",
+   "id": "05e10ecd",
    "metadata": {
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@@ -1461,7 +1461,7 @@
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   {
    "cell_type": "markdown",
-   "id": "fe34151e",
+   "id": "8b2cccf7",
    "metadata": {
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@@ -1471,7 +1471,7 @@
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   {
    "cell_type": "markdown",
-   "id": "93644229",
+   "id": "c926cba6",
    "metadata": {
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@@ -1483,7 +1483,7 @@
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   {
    "cell_type": "markdown",
-   "id": "b5976c65",
+   "id": "16723dd2",
    "metadata": {
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@@ -1495,7 +1495,7 @@
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-   "id": "37c5ba34",
+   "id": "ca42ee48",
    "metadata": {
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@@ -1507,7 +1507,7 @@
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   {
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-   "id": "2f97c0aa",
+   "id": "ddc78831",
    "metadata": {
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@@ -1519,7 +1519,7 @@
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   {
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-   "id": "176b21ba",
+   "id": "400c3749",
    "metadata": {
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@@ -1530,7 +1530,7 @@
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-   "id": "832457f1",
+   "id": "bc1eee64",
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@@ -1543,7 +1543,7 @@
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+   "id": "26483c7b",
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@@ -1555,7 +1555,7 @@
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-   "id": "ce1775cb",
+   "id": "bedcf7c7",
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@@ -1565,7 +1565,7 @@
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+   "id": "4aa9383c",
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@@ -1577,7 +1577,7 @@
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+   "id": "8ec323df",
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@@ -1587,7 +1587,7 @@
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   {
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-   "id": "5cd6e4eb",
+   "id": "07583ac3",
    "metadata": {
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@@ -1598,7 +1598,7 @@
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-   "id": "ce94f446",
+   "id": "e54bde1f",
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@@ -1610,7 +1610,7 @@
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    "cell_type": "markdown",
-   "id": "015db816",
+   "id": "fe000391",
    "metadata": {
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@@ -1622,7 +1622,7 @@
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-   "id": "90118183",
+   "id": "a7bfa644",
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@@ -1634,7 +1634,7 @@
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   {
    "cell_type": "markdown",
-   "id": "d4ed249f",
+   "id": "42531f72",
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@@ -1645,7 +1645,7 @@
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   {
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-   "id": "db8d7a1c",
+   "id": "cfd98511",
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@@ -1656,7 +1656,7 @@
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+   "id": "50b351b0",
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@@ -1668,7 +1668,7 @@
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+   "id": "cbc5c4f8",
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@@ -1678,7 +1678,7 @@
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+   "id": "30726c69",
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@@ -1690,7 +1690,7 @@
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   {
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-   "id": "e84e9ba3",
+   "id": "b3685345",
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@@ -1700,7 +1700,7 @@
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+   "id": "695b7fdd",
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@@ -1712,7 +1712,7 @@
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-   "id": "5553a19a",
+   "id": "d4c1dac9",
    "metadata": {
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@@ -1722,7 +1722,7 @@
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-   "id": "d21ffa34",
+   "id": "6817522f",
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@@ -1734,7 +1734,7 @@
   },
   {
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-   "id": "e79f2f66",
+   "id": "44e2a769",
    "metadata": {
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@@ -1744,7 +1744,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "30c0c346",
+   "id": "5e510430",
    "metadata": {
     "editable": true
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@@ -1756,7 +1756,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e9a8abc7",
+   "id": "7ea2ec44",
    "metadata": {
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@@ -1770,7 +1770,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "490388c6",
+   "id": "117148a0",
    "metadata": {
     "editable": true
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@@ -1782,7 +1782,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e7c66af7",
+   "id": "b0406abd",
    "metadata": {
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@@ -1793,7 +1793,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0d770901",
+   "id": "c116e546",
    "metadata": {
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@@ -1805,7 +1805,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "77036758",
+   "id": "81a10aab",
    "metadata": {
     "editable": true
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@@ -1816,7 +1816,7 @@
   },
   {
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-   "id": "4c3ce0aa",
+   "id": "d4dc69b1",
    "metadata": {
     "editable": true
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@@ -1827,7 +1827,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "8dd37698",
+   "id": "90d21b84",
    "metadata": {
     "editable": true
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@@ -1839,7 +1839,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "4028d02c",
+   "id": "99cec986",
    "metadata": {
     "editable": true
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@@ -1849,7 +1849,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "829c82f7",
+   "id": "e873baac",
    "metadata": {
     "editable": true
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@@ -1861,7 +1861,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "665b60fa",
+   "id": "eab4bd96",
    "metadata": {
     "editable": true
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@@ -1873,7 +1873,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "4d91fbec",
+   "id": "40ef0a31",
    "metadata": {
     "editable": true
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@@ -1885,7 +1885,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "2d8466fe",
+   "id": "4eee7d19",
    "metadata": {
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@@ -1897,7 +1897,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "a670b0ca",
+   "id": "42b47846",
    "metadata": {
     "editable": true
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@@ -1908,7 +1908,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7d38340c",
+   "id": "70f96e67",
    "metadata": {
     "editable": true
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@@ -1920,7 +1920,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5d157843",
+   "id": "8c357109",
    "metadata": {
     "editable": true
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@@ -1930,7 +1930,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c74baccb",
+   "id": "759d9862",
    "metadata": {
     "editable": true
    },
@@ -1942,7 +1942,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5b05a603",
+   "id": "fc1e4f36",
    "metadata": {
     "editable": true
    },
@@ -1952,7 +1952,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e11076dc",
+   "id": "23a7651f",
    "metadata": {
     "editable": true
    },
@@ -1964,7 +1964,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "cd9888b4",
+   "id": "f49f5093",
    "metadata": {
     "editable": true
    },
@@ -1984,7 +1984,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "61c998c7",
+   "id": "c265c913",
    "metadata": {
     "editable": true
    },
@@ -1996,7 +1996,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "995064e8",
+   "id": "6cc4a619",
    "metadata": {
     "editable": true
    },
@@ -2006,7 +2006,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5d7c5d41",
+   "id": "e58c50ce",
    "metadata": {
     "editable": true
    },
@@ -2018,7 +2018,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "367db2de",
+   "id": "9578b54e",
    "metadata": {
     "editable": true
    },
@@ -2028,7 +2028,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0ae60715",
+   "id": "ab6b3687",
    "metadata": {
     "editable": true
    },
@@ -2039,7 +2039,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "ab005484",
+   "id": "a3fe12fa",
    "metadata": {
     "editable": true
    },
@@ -2051,7 +2051,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "dc591c51",
+   "id": "19baa36d",
    "metadata": {
     "editable": true
    },
@@ -2063,7 +2063,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b04c0764",
+   "id": "f49d2f6e",
    "metadata": {
     "editable": true
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@@ -2075,7 +2075,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "24504033",
+   "id": "fa48cc09",
    "metadata": {
     "editable": true
    },
@@ -2088,7 +2088,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "602af4cc",
+   "id": "55a160ef",
    "metadata": {
     "editable": true
    },
@@ -2099,7 +2099,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c3d02a53",
+   "id": "2f667f08",
    "metadata": {
     "editable": true
    },
@@ -2111,7 +2111,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5872de8c",
+   "id": "6f07bb8f",
    "metadata": {
     "editable": true
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@@ -2127,7 +2127,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "390f862e",
+   "id": "48c68f99",
    "metadata": {
     "editable": true
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@@ -2139,7 +2139,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "784a2bff",
+   "id": "3623319f",
    "metadata": {
     "editable": true
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@@ -2150,7 +2150,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "a827cfc1",
+   "id": "44a26b64",
    "metadata": {
     "editable": true
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@@ -2162,7 +2162,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "ba2d035f",
+   "id": "3eef0c38",
    "metadata": {
     "editable": true
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@@ -2172,7 +2172,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d3ccf2a0",
+   "id": "98f59b9b",
    "metadata": {
     "editable": true
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@@ -2184,7 +2184,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "be734f2c",
+   "id": "fb2b15bd",
    "metadata": {
     "editable": true
    },
@@ -2194,7 +2194,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "fe97a70b",
+   "id": "d9785d71",
    "metadata": {
     "editable": true
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@@ -2206,7 +2206,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "bef0c436",
+   "id": "2d2b5ee0",
    "metadata": {
     "editable": true
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@@ -2216,7 +2216,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "116fda10",
+   "id": "d629b3ec",
    "metadata": {
     "editable": true
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@@ -2228,7 +2228,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "19217bb1",
+   "id": "0d556d08",
    "metadata": {
     "editable": true
    },
@@ -2243,7 +2243,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "eb42ffd7",
+   "id": "8bce6a48",
    "metadata": {
     "editable": true
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@@ -2255,7 +2255,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "cbdbd0bf",
+   "id": "41ee76fb",
    "metadata": {
     "editable": true
    },
@@ -2270,7 +2270,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "ca9795f5",
+   "id": "ef8fc78d",
    "metadata": {
     "editable": true
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@@ -2282,7 +2282,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "4cc82cc6",
+   "id": "983d201e",
    "metadata": {
     "editable": true
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@@ -2292,7 +2292,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "09a79e6b",
+   "id": "2164aca2",
    "metadata": {
     "editable": true
    },
@@ -2310,7 +2310,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "dcd947bc",
+   "id": "7681978a",
    "metadata": {
     "editable": true
    },
@@ -2320,7 +2320,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "64d0fb94",
+   "id": "4c15a261",
    "metadata": {
     "editable": true
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@@ -2351,7 +2351,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "54b1e1de",
+   "id": "31581866",
    "metadata": {
     "editable": true
    },
@@ -2365,7 +2365,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "83645ee7",
+   "id": "aac1019e",
    "metadata": {
     "editable": true
    },
@@ -2386,7 +2386,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "13398412",
+   "id": "2b04da2b",
    "metadata": {
     "editable": true
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diff --git a/doc/pub/week5/pdf/week5.pdf b/doc/pub/week5/pdf/week5.pdf
index 26680709..61186ba6 100644
Binary files a/doc/pub/week5/pdf/week5.pdf and b/doc/pub/week5/pdf/week5.pdf differ
diff --git a/doc/src/week5/week5.do.txt b/doc/src/week5/week5.do.txt
index fd033632..e3721c0d 100644
--- a/doc/src/week5/week5.do.txt
+++ b/doc/src/week5/week5.do.txt
@@ -11,7 +11,7 @@ DATE: February 12-16
 * Reminder on Fokker-Planck equation and Langevin equations
 * Start optimization: Expressions for derivatives as functions of the variational parameters
 * Newton's method, gradient descent, Steepest descent and Conjugate Gradient Descent 
-* "Video of Lecture TBA":"https://youtu.be/joauB2h5Vmo"
+* "Video of Lecture":"https://youtu.be/joauB2h5Vmo"
 * "Handwritten notes":"https://github.com/CompPhysics/ComputationalPhysics2/blob/gh-pages/doc/HandWrittenNotes/2024/NotesFebruary16.pdf"
 !eblock