Laba7/Form1_Lab4.cs

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;
using System.Xml.Resolvers;
using static System.Windows.Forms.VisualStyles.VisualStyleElement;

namespace Ul_4
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private double CalculateFunction(double x, double b)
        {
            double result = Math.Pow(10, -3) * Math.Pow(Math.Abs(x), 5.0 / 2.0) + Math.Log(Math.Abs(x + b));
            return result;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            double x0 = 1.75;
            double xk = -2.5;
            double dx = -0.25;
            double b = 35.4;

            int arrayLength = Convert.ToInt32(Math.Abs((xk - x0) / dx)) + 1;
            double[] results = new double[arrayLength];
            int index = 0;

            for (double x = x0; x >= xk; x += dx)
            {
                double result = CalculateFunction(x, b);
                results[index++] = result;
            }

            // вывод результатов на форму
            for (int i = 0; i < arrayLength; i++)
            {
                listBox1.Items.Add($"y = {x0 - i * dx:F2} - f(x) = {results[i]:F4}");
            }
        }
    }
}