www.gusucode.com > demos工具箱matlab源码程序 > demos/vanderpoldemo.m
function dydt = vanderpoldemo(t,y,Mu) %VANDERPOLDEMO Defines the van der Pol equation for ODEDEMO. % Copyright 1984-2014 The MathWorks, Inc. dydt = [y(2); Mu*(1-y(1)^2)*y(2)-y(1)];