Sa函数在全时域积分怎么算答:下面用辛普森公式积分。include<stdio.h> include<stdlib.h> include <math.h> double fsimpf(double x){ if ( fabs(x) < 1e-10) return 1.0;return sin(x) /x ;} double fsimp(double a,double b,double eps){ int n,k;double h,t1,t2,s1,s2,ep,p,x;n=1; h=b-a;t1=h*...