norm

A very well written definition of norm can be found:

 

Repository of Sources to learn Data Science

The following Github repository provides a rich set of sources to learn data science:

The following Links provides an introduction into backpropagation in python3

 

Online Distribution Calculator

This is a link to an online distribution calculator, you can get the percentile of a particular x value for a chosen distribution function.

https://gallery.shinyapps.io/dist_calc/