Rendered TeX expressions in 4487ba4

README.md

@@ -6,12 +6,23 @@ The formulae are converted to images by [TeXify](https://github.com/apps/texify)
 
 I believe that I have attributed all materials, except the Udacity PyTorch Scholarship course, from which these notes are flagrantly copied ;)
 
-### Lesson notes
+### My notes
 
 * [Lesson 2](notes/lesson-2.md)
 * [Lesson 3](notes/lesson-3.md)
 * [Lesson 4](notes/lesson-4.md)
 
+### Buy me a beer^H^H^H^Hcoconut
+I took many hours creating these notes.
+
+If you have found these notes useful and feel moved to, please donate so I can buy a coconut:
+
+[![Donate button](paypal-donate.png)](https://www.paypal.me/TomHale)
+
 ### Other resources
 
-* [Tatiana Gaponova's PDF notes](https://github.com/baroquerock/udacity_notes) including NNs and CNNs
+* Lesson 2
+  * [Tatiana Gaponova's 12-page PDF notes](https://github.com/baroquerock/udacity_notes/blob/master/udacity_nn_basics_tatiana_gaponova.pdf)
+  * [73 page Google Doc (author didn't put their name at the top)](https://docs.google.com/document/d/13ESfbTuCja7mEZLfMz-4JxEsaxWyDOoua4gRWC6860c/edit)
+* Lesson 4
+  * [Tatiana Gaponova's 11-page PDF notes](https://github.com/baroquerock/udacity_notes/blob/master/udacity_cnn_tatiana_gaponova.pdf)