I wrote this post (first) on Gradient Descent that will be helpful if you liked the OP. http://thelaziestprogrammer.com/sharrington/math-of-machine-learning/th

I wrote this post (first) on Gradient Descent that will be helpful if you liked the OP. http://thelaziestprogrammer.com/sharrington/math-of-machine-learning/the-gradient-a-visual-descent http://thelaziestprogrammer.com/sharrington/math-of-machine-... This looks at the algorithm the same way that the OP does (mathematically, visually, programmatically), only it applies it to a simpler Linear Regression model.