using System using System Collections Generic using System ComponentMo

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Метод_половинного_деления
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        double f(double x) {
            return 3.0 * x * x * x + 2.0 * x * x + x - 5;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            double l = 0.0, r = 5.0, m, x = 0.0;
            while (r - l > 1e-8)
            {
                m = (l + r) / 2.0;
                if (f(m) < 0.0)
                {
                    l = m;
                }
                else
                {
                    r = m;
                }
                chart1.Series[0].Points.AddXY(x, m);
                x += 1.0;
            }
        }
    }
}