m_chap2_ex1.m

simulink 动态仿真实例m文件

t0=0;   tN=20;   tol=1e-6;   y0=[0;0.25];

[t,y]=ode45('m_chap2_ex1_sub',t0,tN,y0,tol);

subplot(121),  plot(t,y)

subplot(122),   plot(y(:,1),y(:,2))