sulu, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("Лабраторная работа №1:");
            Console.WriteLine("Метод половинного деления");
            Console.WriteLine("============================");
            Console.WriteLine("Исход. данние [a,b] = (-5,0)");
            Console.WriteLine("x^3 - 3x +1 = 0");
            Console.WriteLine("№ итерации   \t a  \t  \t b   \t \t x   \t\t f(x)");
            Console.WriteLine("-----------------------------------------------------");
            
            double a = -5;
            double b = 0;
            double eps = 0.01;
            double c ;
          
            int i=0;
                
            
            while (b - a > eps)
            {
               c = (a+b)/2;
              if(f(a) * f(c) < 0)
              {
                  b = c;
            
              }else {
              
                  a = c ;
              } 
                i++;
                Console.WriteLine("ит№:{0}   a= {1}         b= {2}          x= {3}           f(x)= {4}",i,a,b,c,f(c));
            }
           
            
        }
            
        static double f(double x)
        {
            
            return Math.Pow(x,3)-(3*x) +1;
            //return (3*Math.Pow(x,2))-(2*x)-9;
         }
        
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,14 sec, absolute running time: 0,09 sec, cpu time: 0,09 sec, average memory usage: 13 Mb, average nr of threads: 2