Barnaba

Chapter 6: layer_2_delta calculation

2

Section "Backpropagation in Code": There is: `layer_2_delta = (walk_vs_stop[i:i+1] - layer_2)` I belive it should be: `layer_2_delta = (layer_2 - walk_vs_stop[i:i+1])`

## Description Set origin of the window by WindowProperties() doesn't work. No matter which values I write into setSize() method, the window appear on the same place (something like x=0,...