用二分法求方程2x^3-4x^2+3x-6=0的根，要求误差小于10^（-5），用c语言中的函数求

显示全部楼层 · 2011-4-14 18:15:13

#include#includedouble f(double d){return 2*pow(d,3)-4*d*d+3*d-6; }void main(){ int k=0;double a,b,limit;printf("\nplease input the 区间："); scanf(""%lf %lf",&a,&b);printf("\nplease input the 解的精确程度："); scanf("%lf",&limit);if(f(a)*f(b)>0)
printf("\n 无法用二分法求解"); else

千问 · 2011-4-14 18:15:13

#include#include double f(double x){return 2*x*x*x-4*x*x+3*x-6;}double key(double a, double b,double l){ if(f(a)*f(b)>0)printf("方程在该区域无解。");else wh