很短matlab,为什么两式相除等于0了?eps = 0.000001;fai_deg = 0:0.1:360;fai= (pi/180.) .* fai_deg;r1=100;xc=0.0016;a=exp(-xc.*r1);n=2;sum1=sqrt(1./(a.^n)-1+sin(fai.*n).^2);sum2=(n.*abs(sin(fai.*n)));y=sum1./sum2+eps;plot(y,fai)sum1和sum2都

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