二分法求 sin(x)-x*x/4=0的近似解#include#includemain(){FILE *fp;int k=0;double a=1.5,b=2,x;fp=fopen(＂nt＂,＂w＂);while((b-a)>0.01){x=(a+b)/2;fprintf(fp,＂\n\nk=%d ＂,k);fprintf(fp,＂a=%10.8f ＂,a);fprintf(fp,＂b=%10.8f ＂,b);fprintf(fp,＂x=%10.8f ＂,x);fprintf(fp,＂f(x)=%10.8f ＂,(sin(x)-x*x/4));if(sin(x)-x*x/4==0) break;elseif((sin(x)-x*x/4)*(sin(a)-a*a/4)