c语言程序dx 求解含有三角函数的定积分c语言程序∫（1+cosπx）dx

满意答案

msxqcl

.04.04

采纳率：43%等级：7

已帮助：261人

123456789101112131415161718192223242526#include#include#definePI(acos(-1))#defineSTEP(1e-6)doublefunc(doublex);doubleinte(doubleup,doubledown,doublefunc(double));intmain(void){doubleup,down;printf("%lf%lf",&up,&down);printf("%lf\n",inte(1,0,func));return0;}doublefunc(doublex){return1+cos(PI*x);}doubleinte(doubleup,doubledown,doublefunc(double)){doublesum;for(sum=0;down<=up;down+=STEP){sum+=func(down)*STEP;}returnsum;}

00分享举报