用ode45解微分方程老是提示错误,求帮助。
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下面是计算时使用的程序
M: function y=vdp(t,x)
y=[x(2);-929*x(1)^2-162*cos(100*t)]
计算程序:
>> x0=[0.002;0001];t_final=20;
>> options=odeset('RelTol',10^-20,'AbsTol',10^-20);
>> [t1,y1]=ode45('vdp',[0,t_final],x0,options); plot(t1,y1)
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