RPROP Neural Network with Delphi
necessary additional Software: Graphics32 and OTL (Omnithreadlib)
the thresholds: https://en.wikipedia.org/wiki/Activation_function#ref_heaviside
references:
https://www.heatonresearch.com/book/introduction-neural-network-math.html
https://www.youtube.com/playlist?list=PL58qjcU5nk8sUq97ze6MZB8aHflF0uNgK (german)