fill_between

A Matlab function to fill selected areas in plots. Inspired by a function of the same name from the Python package Matplotlib. I didn't look at that code, this is my own initial implementation to achieve the functionality that I needed.
The file fill_between.m demonstrates it's usage. More elaborate instructions appear on GitHub https://github.com/drbenvincent/fill_between
I'll be using GitHub only to keep track of issues and pull requests.