请教各位，ode45解16位未知数的微分方程
x0=;tspan=0:T/100:100*T;
=ode45('bently',tspan,x0);
提示出错：
Warning: Failure at t=5.798867e-004.Unable to meet integration tolerances without reducing the step size below the smallest value allowed (1.734723e-018) at time t.
请教 改如何改呢？
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