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jinghongying

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[求助] 求助: ode求解常微分方程组运行时出现错误

我用ode45求解下面问题,但是总有警告,初值和参数一定不能改变。
xT0 =[-3.70351013077968;1.18377489696063;0];
T0 =-10.0102391457522;
c=3.5;
f1=inline(['[T0*(-x(2)-x(3));T0*(x(1)+0.15*x(2));T0*(0.2+x(3)*x(1)-c*x(3))]'],'t','x','flag','T0','c');
[t,x]=ode45(f1,[0,1],xT0,[],T0,c)

Failure at t=1.298177e-001.  Unable to meet integration tolerances without reducing the step size below the smallest value allowed (4.440892e-016) at time t.

注:我用过ode15s   ode23 ,问题同样存在
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jinghongying

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怎么没人理呢
继续求助
笑望碧空云卷云舒,闲看庭前花开花谢。
2楼2008-03-10 19:39:14
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