www.gusucode.com > demos工具箱matlab源码程序 > demos/ddex1de.m
function dydt = ddex1de(t,y,Z) %DDEX1DE Example of delay differential equations for solving with DDE23. % % See also DDE23. % Jacek Kierzenka, Lawrence F. Shampine and Skip Thompson % Copyright 1984-2014 The MathWorks, Inc. ylag1 = Z(:,1); ylag2 = Z(:,2); dydt = [ ylag1(1) ylag1(1) + ylag2(2) y(2) ];