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| 请高手给我解读如下的算法思想 a=80;b=0.02;aoverb=a/b
 mu=4002; s=96;
 t=mu;
 step=0.1;
 var=0.01;
 vp=mu*normcdf(t,mu,s)-s^2*normpdf(t,mu,s);
 if vp>aoverb
 while(vp-aoverb)>var
 t=t-step;
 vp=mu*normcdf(t,mu,s)-s^2*normpdf(t,mu,s);
 end
 end
 if vp<aoverb
 while(aoverb-vp)>var
 t=t+step;
 vp=mu*normcdf(t,mu,s)-s^2*normpdf(t,mu,s);
 end
 end
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