Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
https://en.wikipedia.org/wiki/Feature_scaling
https://www.jeremyjordan.me/batch-normalization/
How to use Data Scaling Improve Deep Learning Model Stability and Performance
https://medium.com/@urvashilluniya/why-data-normalization-is-necessary-for-machine-learning-models-681b65a05029