复合梯形公式c语言程序(共1页).doc

精选优质文档-倾情为你奉上#includestdio.h#includeint main() int a,b,n; double S1,S2,r=1.0; double f(double x); double jifen(double a ,double b ,int n);printf(输入所求区间：n);scanf(%ld%ld,&a,&b); S1=(b-a)/2.0)*(f(a)+f(b); n=1;while(rpow(10,-5)/判断积分值是否达到误差限制 n*=2; S2=jifen(a,b,n); r=S2-S1; S1=S2; printf(n=%ld:n,n);printf(S1=%lf:n,S1);return 0;double f(double x)double y;y= 4.0/