diff --git a/doc/pub/week42/html/._week42-bs001.html b/doc/pub/week42/html/._week42-bs001.html
index 9f139a758..16ffd8e3b 100644
--- a/doc/pub/week42/html/._week42-bs001.html
+++ b/doc/pub/week42/html/._week42-bs001.html
@@ -297,6 +297,7 @@ MathJax.Hub.Config({
 <ul>
     <li> These lecture notes</li>
     <li> <a href="https://youtu.be/0q5-PhovchQ" target="_self">Video of lecture</a></li>
+    <li> <a href="https://github.com/CompPhysics/MachineLearning/blob/master/doc/HandWrittenNotes/2023/NotesOct19.pdf" target="_self">Whiteboard notes</a></li>
     <li> <a href="https://github.com/CompPhysics/MachineLearning/blob/master/doc/Textbooks/TensorflowML.pdf" target="_self">Aurelien Geron's chapters 10-11</a></li>
     <li> For a more in depth discussion on  neural networks we recommend Goodfellow et al chapters 6 and 7.</li>     
     <li> <a href="https://www.youtube.com/watch?v=bxe2T-V8XRs&list=PLiaHhY2iBX9hdHaRr6b7XevZtgZRa1PoU&ab_channel=WelchLabs" target="_self">Neural Networks demystified</a></li>
diff --git a/doc/pub/week42/html/week42-reveal.html b/doc/pub/week42/html/week42-reveal.html
index 030e01fc9..51d2d3120 100644
--- a/doc/pub/week42/html/week42-reveal.html
+++ b/doc/pub/week42/html/week42-reveal.html
@@ -225,6 +225,8 @@ MathJax.Hub.Config({
 
 <p><li> <a href="https://youtu.be/0q5-PhovchQ" target="_blank">Video of lecture</a></li>
 
+<p><li> <a href="https://github.com/CompPhysics/MachineLearning/blob/master/doc/HandWrittenNotes/2023/NotesOct19.pdf" target="_blank">Whiteboard notes</a></li>
+
 <p><li> <a href="https://github.com/CompPhysics/MachineLearning/blob/master/doc/Textbooks/TensorflowML.pdf" target="_blank">Aurelien Geron's chapters 10-11</a></li>
 
 <p><li> For a more in depth discussion on  neural networks we recommend Goodfellow et al chapters 6 and 7.</li>
diff --git a/doc/pub/week42/html/week42-solarized.html b/doc/pub/week42/html/week42-solarized.html
index 9b724dbff..c38c8e003 100644
--- a/doc/pub/week42/html/week42-solarized.html
+++ b/doc/pub/week42/html/week42-solarized.html
@@ -269,6 +269,7 @@ MathJax.Hub.Config({
 <ul>
     <li> These lecture notes</li>
     <li> <a href="https://youtu.be/0q5-PhovchQ" target="_blank">Video of lecture</a></li>
+    <li> <a href="https://github.com/CompPhysics/MachineLearning/blob/master/doc/HandWrittenNotes/2023/NotesOct19.pdf" target="_blank">Whiteboard notes</a></li>
     <li> <a href="https://github.com/CompPhysics/MachineLearning/blob/master/doc/Textbooks/TensorflowML.pdf" target="_blank">Aurelien Geron's chapters 10-11</a></li>
     <li> For a more in depth discussion on  neural networks we recommend Goodfellow et al chapters 6 and 7.</li>     
     <li> <a href="https://www.youtube.com/watch?v=bxe2T-V8XRs&list=PLiaHhY2iBX9hdHaRr6b7XevZtgZRa1PoU&ab_channel=WelchLabs" target="_blank">Neural Networks demystified</a></li>
diff --git a/doc/pub/week42/html/week42.html b/doc/pub/week42/html/week42.html
index 09e04ef07..a538b8f26 100644
--- a/doc/pub/week42/html/week42.html
+++ b/doc/pub/week42/html/week42.html
@@ -346,6 +346,7 @@ MathJax.Hub.Config({
 <ul>
     <li> These lecture notes</li>
     <li> <a href="https://youtu.be/0q5-PhovchQ" target="_blank">Video of lecture</a></li>
+    <li> <a href="https://github.com/CompPhysics/MachineLearning/blob/master/doc/HandWrittenNotes/2023/NotesOct19.pdf" target="_blank">Whiteboard notes</a></li>
     <li> <a href="https://github.com/CompPhysics/MachineLearning/blob/master/doc/Textbooks/TensorflowML.pdf" target="_blank">Aurelien Geron's chapters 10-11</a></li>
     <li> For a more in depth discussion on  neural networks we recommend Goodfellow et al chapters 6 and 7.</li>     
     <li> <a href="https://www.youtube.com/watch?v=bxe2T-V8XRs&list=PLiaHhY2iBX9hdHaRr6b7XevZtgZRa1PoU&ab_channel=WelchLabs" target="_blank">Neural Networks demystified</a></li>
diff --git a/doc/pub/week42/ipynb/ipynb-week42-src.tar.gz b/doc/pub/week42/ipynb/ipynb-week42-src.tar.gz
index 7bc3d65c1..48a04aaef 100644
Binary files a/doc/pub/week42/ipynb/ipynb-week42-src.tar.gz and b/doc/pub/week42/ipynb/ipynb-week42-src.tar.gz differ
diff --git a/doc/pub/week42/ipynb/week42.ipynb b/doc/pub/week42/ipynb/week42.ipynb
index bc386ef88..99df66e64 100644
--- a/doc/pub/week42/ipynb/week42.ipynb
+++ b/doc/pub/week42/ipynb/week42.ipynb
@@ -2,7 +2,7 @@
  "cells": [
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-   "id": "6450d25c",
+   "id": "bbaa1aec",
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@@ -14,7 +14,7 @@
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   {
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-   "id": "2a438c63",
+   "id": "d981139a",
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@@ -27,7 +27,7 @@
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   {
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-   "id": "247eeef1",
+   "id": "d3d2fdcb",
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@@ -54,6 +54,8 @@
     "\n",
     "    * [Video of lecture](https://youtu.be/0q5-PhovchQ)\n",
     "\n",
+    "    * [Whiteboard notes](https://github.com/CompPhysics/MachineLearning/blob/master/doc/HandWrittenNotes/2023/NotesOct19.pdf)\n",
+    "\n",
     "    * [Aurelien Geron's chapters 10-11](https://github.com/CompPhysics/MachineLearning/blob/master/doc/Textbooks/TensorflowML.pdf)\n",
     "\n",
     "    * For a more in depth discussion on  neural networks we recommend Goodfellow et al chapters 6 and 7.     \n",
@@ -71,7 +73,7 @@
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-   "id": "4e111b7c",
+   "id": "8e0c0ad3",
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@@ -81,7 +83,7 @@
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+   "id": "6d072b79",
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@@ -96,7 +98,7 @@
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+   "id": "6a5894d2",
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@@ -119,7 +121,7 @@
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@@ -131,7 +133,7 @@
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@@ -141,7 +143,7 @@
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+   "id": "7077d9c2",
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@@ -153,7 +155,7 @@
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-   "id": "08005b37",
+   "id": "c62043b3",
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@@ -163,7 +165,7 @@
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-   "id": "fcfb91d8",
+   "id": "3307a4bc",
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@@ -175,7 +177,7 @@
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+   "id": "50db23f1",
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@@ -187,7 +189,7 @@
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-   "id": "405a2bd3",
+   "id": "0cf89ca4",
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@@ -198,7 +200,7 @@
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+   "id": "d5374d6f",
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@@ -226,7 +228,7 @@
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-   "id": "34e82f43",
+   "id": "fc8ce130",
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@@ -238,7 +240,7 @@
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+   "id": "8eaf0c3c",
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@@ -248,7 +250,7 @@
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+   "id": "3caeb6b3",
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@@ -260,7 +262,7 @@
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+   "id": "cb5b4f3d",
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@@ -271,7 +273,7 @@
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-   "id": "25080b35",
+   "id": "6edbd945",
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@@ -283,7 +285,7 @@
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-   "id": "85ff70e2",
+   "id": "3e039295",
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@@ -296,7 +298,7 @@
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-   "id": "4928fb35",
+   "id": "60d3b57c",
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@@ -321,7 +323,7 @@
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-   "id": "84914d0b",
+   "id": "9045875f",
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@@ -334,7 +336,7 @@
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+   "id": "1d37a3a2",
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@@ -346,7 +348,7 @@
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   {
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+   "id": "429c3549",
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@@ -358,7 +360,7 @@
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-   "id": "52f18bf4",
+   "id": "cde118d9",
    "metadata": {
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@@ -368,7 +370,7 @@
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   {
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-   "id": "1d177c5d",
+   "id": "16740280",
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@@ -380,7 +382,7 @@
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   {
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+   "id": "a4b60c6f",
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@@ -392,7 +394,7 @@
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   {
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-   "id": "374f6782",
+   "id": "36cce044",
    "metadata": {
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@@ -404,7 +406,7 @@
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   {
    "cell_type": "markdown",
-   "id": "e286888d",
+   "id": "d2cc5185",
    "metadata": {
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@@ -416,7 +418,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "43927182",
+   "id": "6f62ac34",
    "metadata": {
     "editable": true
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@@ -426,7 +428,7 @@
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   {
    "cell_type": "markdown",
-   "id": "31ab96db",
+   "id": "980d2595",
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@@ -438,7 +440,7 @@
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   {
    "cell_type": "markdown",
-   "id": "e42e36aa",
+   "id": "07f96bba",
    "metadata": {
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@@ -448,7 +450,7 @@
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   {
    "cell_type": "markdown",
-   "id": "ed96b765",
+   "id": "ab7ef463",
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@@ -460,7 +462,7 @@
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   {
    "cell_type": "markdown",
-   "id": "0ddc0d23",
+   "id": "712f14c5",
    "metadata": {
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@@ -473,7 +475,7 @@
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   {
    "cell_type": "markdown",
-   "id": "a1b4b635",
+   "id": "efb3f21c",
    "metadata": {
     "editable": true
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@@ -485,7 +487,7 @@
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   {
    "cell_type": "markdown",
-   "id": "df1e75cf",
+   "id": "661dd5e4",
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@@ -495,7 +497,7 @@
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   {
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-   "id": "d7c9540f",
+   "id": "545879f3",
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@@ -507,7 +509,7 @@
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   {
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-   "id": "2e883cb8",
+   "id": "20187a39",
    "metadata": {
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@@ -518,7 +520,7 @@
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   {
    "cell_type": "markdown",
-   "id": "71dec0a5",
+   "id": "ecd3c551",
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@@ -530,7 +532,7 @@
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   {
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-   "id": "3f559589",
+   "id": "03d1bd2b",
    "metadata": {
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@@ -540,7 +542,7 @@
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-   "id": "c648e459",
+   "id": "1baaf3b0",
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@@ -552,7 +554,7 @@
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   {
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-   "id": "7a951b61",
+   "id": "9114b454",
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@@ -562,7 +564,7 @@
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-   "id": "47f0cbdf",
+   "id": "19b41dd4",
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@@ -573,7 +575,7 @@
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-   "id": "d4c56881",
+   "id": "bc1b97c5",
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@@ -586,7 +588,7 @@
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   {
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+   "id": "52f2e768",
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@@ -596,7 +598,7 @@
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-   "id": "d7729455",
+   "id": "1a60c363",
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@@ -608,7 +610,7 @@
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@@ -618,7 +620,7 @@
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-   "id": "f7e4bce3",
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@@ -630,7 +632,7 @@
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   {
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@@ -640,7 +642,7 @@
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-   "id": "acb24d2a",
+   "id": "b0cb8b0e",
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@@ -664,7 +666,7 @@
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+   "id": "c4cd71b6",
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@@ -714,7 +716,7 @@
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-   "id": "5dc0eb9a",
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@@ -769,7 +771,7 @@
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+   "id": "79f4798f",
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@@ -790,7 +792,7 @@
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-   "id": "5a1ddf60",
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@@ -828,7 +830,7 @@
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@@ -872,7 +874,7 @@
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@@ -912,7 +914,7 @@
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@@ -933,7 +935,7 @@
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-   "id": "ac07010c",
+   "id": "5c7ae6ce",
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@@ -959,7 +961,7 @@
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@@ -987,7 +989,7 @@
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@@ -1024,7 +1026,7 @@
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@@ -1070,7 +1072,7 @@
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@@ -1101,7 +1103,7 @@
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@@ -1139,7 +1141,7 @@
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@@ -1173,7 +1175,7 @@
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@@ -1214,7 +1216,7 @@
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@@ -1293,7 +1295,7 @@
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@@ -1314,7 +1316,7 @@
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@@ -1328,7 +1330,7 @@
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@@ -1438,7 +1440,7 @@
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@@ -1457,7 +1459,7 @@
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@@ -1484,7 +1486,7 @@
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@@ -1498,7 +1500,7 @@
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@@ -1529,7 +1531,7 @@
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@@ -1540,7 +1542,7 @@
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@@ -1584,7 +1586,7 @@
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@@ -1607,7 +1609,7 @@
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@@ -1634,7 +1636,7 @@
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    },
@@ -1645,7 +1647,7 @@
   {
    "cell_type": "code",
    "execution_count": 11,
-   "id": "ca482ded",
+   "id": "38a896b8",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -1690,7 +1692,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1c79fb2b",
+   "id": "f8ee3eb3",
    "metadata": {
     "editable": true
    },
@@ -1717,7 +1719,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "cd470da0",
+   "id": "5c0e406c",
    "metadata": {
     "editable": true
    },
@@ -1755,7 +1757,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "3e55e1ba",
+   "id": "f52ee7dd",
    "metadata": {
     "editable": true
    },
@@ -1767,7 +1769,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "59b6b65d",
+   "id": "f2634e6f",
    "metadata": {
     "editable": true
    },
@@ -1782,7 +1784,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f9215c15",
+   "id": "a39715fe",
    "metadata": {
     "editable": true
    },
@@ -1792,7 +1794,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "eeea24e9",
+   "id": "8bff01b2",
    "metadata": {
     "editable": true
    },
@@ -1805,7 +1807,7 @@
   {
    "cell_type": "code",
    "execution_count": 12,
-   "id": "66bdf9f6",
+   "id": "9d94da1e",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -1881,7 +1883,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0e3d7912",
+   "id": "fdbce6ba",
    "metadata": {
     "editable": true
    },
@@ -1891,7 +1893,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b8c14487",
+   "id": "f5cbb06d",
    "metadata": {
     "editable": true
    },
@@ -1902,7 +1904,7 @@
   {
    "cell_type": "code",
    "execution_count": 13,
-   "id": "fde916f3",
+   "id": "edf69ad3",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -1970,7 +1972,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "56e4db63",
+   "id": "d5e5d8a0",
    "metadata": {
     "editable": true
    },
@@ -1988,7 +1990,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e30562f7",
+   "id": "8326a878",
    "metadata": {
     "editable": true
    },
@@ -2023,7 +2025,7 @@
   {
    "cell_type": "code",
    "execution_count": 14,
-   "id": "c63ec71a",
+   "id": "dd988cfc",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2035,7 +2037,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "a8eba30d",
+   "id": "d2f8d6f3",
    "metadata": {
     "editable": true
    },
@@ -2047,7 +2049,7 @@
   {
    "cell_type": "code",
    "execution_count": 15,
-   "id": "b41f8614",
+   "id": "fdaffccc",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2060,7 +2062,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0ae83030",
+   "id": "80db034a",
    "metadata": {
     "editable": true
    },
@@ -2071,7 +2073,7 @@
   {
    "cell_type": "code",
    "execution_count": 16,
-   "id": "876a343e",
+   "id": "e632c541",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2084,7 +2086,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "8820da14",
+   "id": "605ac1fd",
    "metadata": {
     "editable": true
    },
@@ -2099,7 +2101,7 @@
   {
    "cell_type": "code",
    "execution_count": 17,
-   "id": "5b0bd227",
+   "id": "11e69ce0",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2111,7 +2113,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b9128d4d",
+   "id": "176bf3ac",
    "metadata": {
     "editable": true
    },
@@ -2123,7 +2125,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "a94d524f",
+   "id": "7a085449",
    "metadata": {
     "editable": true
    },
@@ -2136,7 +2138,7 @@
   {
    "cell_type": "code",
    "execution_count": 18,
-   "id": "ee59798f",
+   "id": "d8bae540",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2191,7 +2193,7 @@
   {
    "cell_type": "code",
    "execution_count": 19,
-   "id": "7f39c0c8",
+   "id": "5608d691",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2220,7 +2222,7 @@
   {
    "cell_type": "code",
    "execution_count": 20,
-   "id": "1850d1c5",
+   "id": "7bce7422",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2250,7 +2252,7 @@
   {
    "cell_type": "code",
    "execution_count": 21,
-   "id": "c8d3b22c",
+   "id": "65a68468",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2277,7 +2279,7 @@
   {
    "cell_type": "code",
    "execution_count": 22,
-   "id": "06f5ccc5",
+   "id": "45ae200f",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2319,7 +2321,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f0c599ec",
+   "id": "b955ad39",
    "metadata": {
     "editable": true
    },
@@ -2330,7 +2332,7 @@
   {
    "cell_type": "code",
    "execution_count": 23,
-   "id": "89c9f4d3",
+   "id": "8ed2e257",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2507,7 +2509,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7ca69396",
+   "id": "107bab25",
    "metadata": {
     "editable": true
    },
@@ -2535,7 +2537,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b327e897",
+   "id": "53ad43ce",
    "metadata": {
     "editable": true
    },
@@ -2558,7 +2560,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "3100d461",
+   "id": "6f613497",
    "metadata": {
     "editable": true
    },
@@ -2589,7 +2591,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b1359953",
+   "id": "91843fee",
    "metadata": {
     "editable": true
    },
@@ -2621,7 +2623,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "3b445e65",
+   "id": "83535426",
    "metadata": {
     "editable": true
    },
@@ -2659,7 +2661,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "947e5d19",
+   "id": "37bdca60",
    "metadata": {
     "editable": true
    },
@@ -2684,7 +2686,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0b044d73",
+   "id": "11ae19d2",
    "metadata": {
     "editable": true
    },
@@ -2696,7 +2698,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0cc9dab7",
+   "id": "f3a54f08",
    "metadata": {
     "editable": true
    },
@@ -2719,7 +2721,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c77901f3",
+   "id": "4dd226db",
    "metadata": {
     "editable": true
    },
@@ -2739,7 +2741,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "2205190b",
+   "id": "f9521d8f",
    "metadata": {
     "editable": true
    },
@@ -2761,7 +2763,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c24d6ed7",
+   "id": "080c7f12",
    "metadata": {
     "editable": true
    },
@@ -2779,7 +2781,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d9c671c9",
+   "id": "963e7d21",
    "metadata": {
     "editable": true
    },
@@ -2798,7 +2800,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5853720b",
+   "id": "0b69f45e",
    "metadata": {
     "editable": true
    },
@@ -2810,7 +2812,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1b134770",
+   "id": "3585dfbf",
    "metadata": {
     "editable": true
    },
@@ -2855,7 +2857,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d1db044d",
+   "id": "dd7c4575",
    "metadata": {
     "editable": true
    },
diff --git a/doc/src/week42/week42.do.txt b/doc/src/week42/week42.do.txt
index 1e52e988a..a0618bbe5 100644
--- a/doc/src/week42/week42.do.txt
+++ b/doc/src/week42/week42.do.txt
@@ -18,6 +18,7 @@ DATE: October 16-20, 2023
   * Readings and Videos:
     * These lecture notes
     * "Video of lecture":"https://youtu.be/0q5-PhovchQ"
+    * "Whiteboard notes":"https://github.com/CompPhysics/MachineLearning/blob/master/doc/HandWrittenNotes/2023/NotesOct19.pdf"
     * "Aurelien Geron's chapters 10-11":"https://github.com/CompPhysics/MachineLearning/blob/master/doc/Textbooks/TensorflowML.pdf"
     * For a more in depth discussion on  neural networks we recommend Goodfellow et al chapters 6 and 7.     
     * "Neural Networks demystified":"https://www.youtube.com/watch?v=bxe2T-V8XRs&list=PLiaHhY2iBX9hdHaRr6b7XevZtgZRa1PoU&ab_channel=WelchLabs"