ddex1de.m

matlab源代码,适用于开发研究,带来很好的学习效果.

function dydt = ddex1de(t,y,Z)
% Differential equations function for DDEX1.
ylag1 = Z(:,1);
ylag2 = Z(:,2);
dydt = [ ylag1(1)
         ylag1(1) + ylag2(2)
         y(2)