延迟微分方程
matlab提供了dde23求解非中性微分方程。...dde23的调用格式如下:
sol = dde23(ddefun,lags,history,tspan)
lags是延迟量,比如方程中包含y1(t-0.2)和y2(t-0.3)则可以使用lags=[..., 0.3],[2 2],[0, 50]);%dde23(@…....lags = [1,0.2];
Solve the DDE by calling dde23 in the main function....sol = dde23(@ddex1de,lags,@ddex1hist,[0,5]);
The dde23 function produces a continuous solution over