chebfun/chebfun — pull request #1262 by hrothgar (2014-11-12 15:55:44+00:00)
Title: Making Lotka–Volterra example more interesting.

Making the Chebgui demo for Lotka–Volterra predator-prey more interesting.

Currently the solution to the demos looks like a sine and a cosine. I have changed some constants to make the solution asymmetrical and more interesting.