gusucode.com > 《精通matlab 7》包括配套光盘 > 配套光盘里的程序附件/Ex-35/Ex3531.m
%例35-31 y0=[0.8;0] [t,x]=ode45(@vdp,[0,40],y0); y=x(:,1);dy=x(:,2); plot(t,y,t,dy)