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[ÇóÖú] »ý·Ö±à³ÌÔËÐнá¹û³öÏÖ´íÎóy1ºÍy2=-1.#IND00ÊÇÔõô»ØÊÂ

#include<stdio.h>
#include <math.h>
#define PI 3.14159
double b1,K;
double integral(double(*fun)(double x),double a,double b,int n)
{
        double s,h,z;
    int i;
    s=(fun(a)+fun(b))/2;
        h=(b-a)/n; /*»ý·Ö²½³¤*/
    for(i=1;i<n;i++)
                s=s+fun(a+i*h);
            z=s*h;
    return z;/*·µ»Ø»ý·ÖÖµ*/
}
  double f(double x)
  {
        return((K-b1*(pow(K,2)-pow(x,2))/2)/sqrt(pow(x,2)-pow((K-b1*(pow(K,2)-pow(x,2))/2),2))); /*Ð޸Ĵ˴¦¿ÉÒԸı䱻»ýº¯Êý*/
  }

main()
{        double y,y1,L,K,jd;
    printf("Çë·Ö±ðÊäÈëLºÍKµÄÖµ:\n";
        scanf("%1f %1f",&L,&K);
        b1=4/(2*K+1);
while(fabs(y1)>0.01)
        {
     b1=b1+0.001;
         y=integral(f,0.5,K,10000);/*Ð޸Ĵ˴¦¿ÉÒԸıä»ý·ÖÉÏÏÂÏ޺Ͳ½³¤*/
         y1=L-2*y;         
         jd=acos(K*(2-b1*K)+b1/4)*180/PI;
        }
        printf("b1=%f\n y=%lf\n y1=%lf\n jd=%lf\n",b1,y,y1,jd);
}
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