int main() { double a,b,c,disc,x1,x2,p,q; scanf("%lf%lf%lf",&a,&b,&c); disc=b*b-4*a*c; if (disc<0) printf("This equation hasn't real roots\n"); else { p=-b/(2.0*a); q=sqrt(disc)/(2*a); x1=p+q; x2=p-q; printf("real roots:\nx1=%7.2f\nx2=%7.2f...
static void DisplayRoots(double x1, double x2) { // printf("方程的解是x1=%lf, x2=%lf", x1, x2); if (x1 == x2) { printf("There is a double root at %g\n", x1); } else { printf("The root are %g and %g\n", x1, x2); } } /* * 测试方程1:2x^2-4x+2=0,根为...
result2=((-1)*b-temp)/(2*a);printf("该方程的根是:%.3f,%.3f",result1,result2);} //...
c语言一元二次方程编程是#include <iostream> 。#include <cmath>。using namespace std。int main()。{float a,b,c;float x1,x2; cin>a>>b>>c;float dlt=b*b-4*a*c;if(dlt>=0){x1=-b/2/a+sqrt(dlt)。/2/ax2=-b/2/a-sqrt(dlt)/2/a。形如x=p或（nx+m）=p（p≥0...
c语言求解一元二次方程的解源码迭代法二分法牛顿迭代法 #include <stdio.h> #include <stdlib.h> #include <math.h> #define maxint 32767.0 #define minint -32768.0 #define accuracy 0.0000001//精确度,值越小计算结果越精确 float a,b,c;//系数 float dt;//b^2-4ac float x1=0.0,x2=0.0;//方程...
用C语言求一元二次方程解 简介 用C语言求一元二次方程解 工具/原料 vs 2013 方法/步骤 1 #define _CRT_SECURE_NO_WARNINGS//先关闭安全检查 2 #include<stdio.h>#include<stdlib.h>#include<math.h>//在输入头文件 3 void main(){int a, b, c;scanf("%d%d%d", &a, &b, &c);printf("%d*x...
一、一元二次方程详解程序代码: # include <stdio.h> # include <math.h> int main(void) { int a; int b; int c; printf("输入abc三个变量的整数值以空隔分开:\n"); scanf("%d %d %d",&a,&b,&c); double delta; double x1; double x2; delta = (b*b) - (4*a*c); if ( delta...
C语言解一元二次方程,输入系数a,b,c; 1#include <stdio.h>2#include <math.h>3intmain(intargc,char*argv[])4{5doublea,b,c,m,x1,x2,x;6printf("请输入系数a,b,c的值:\n");7scanf("%lf%lf%lf",&a,&b,&c);89if(a==0)//判断是否为一元二次方程10{x=-c/b;11printf("x=%lf\...
c语言求一元二次方程代码如下：c语言求一元二次方程代码：include <stdio.h> #include <math.h> int main() { double a, b, c, delta, x1, x2, realPart, imaginaryPart; printf("请输入一元二次方程的三个系数：\n"); scanf("%lf %lf %lf", &a, &b, &c); delta = b * b...