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- 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 _01_1_Testy
- {
- public partial class Form1 : Form
- {
- Random rnd = new Random();
- public Form1()
- {
- InitializeComponent();
- }
- private void button1_Click(object sender, EventArgs e)
- {
- MessageBox.Show("Hello world!");
- }
- private void button2_Click(object sender, EventArgs e)
- {
- double[,] A = new double[5, 5];
-
- for (int i = 0; i < 5; i++)
- for (int j = 0; j < 5; j++)
- A[i, j] = 10 * rnd.NextDouble() - 5;
- for (int i = 0; i < 5; i++)
- {
- for (int j = 0; j < 5; j++)
- textBox1.AppendText($" {A[i, j],5:f2}");
- textBox1.AppendText("\r\n");
- }
- }
- private void button3_Click(object sender, EventArgs e)
- {
- double[] V = new double[5];
- for (int i = 0; i < 5; i++)
- V[i] = 40 * rnd.NextDouble() + 10;
- for (int i = 0; i < 5; i++)
- textBox1.AppendText($"{V[i]}\r\n");
-
- }
- private void button4_Click(object sender, EventArgs e)
- {
- Form2 f2 = new Form2();
- int n = 100;
- double[] x = new double[n];
- double[] y = new double[n];
- for (int i = 0; i < n; i++)
- {
- x[i] = rnd.NextDouble();
- y[i] = 2 * x[i] * x[i] - 0.5 * x[i] + 7;
- }
- for (int i = 0; i < n; i++)
- {
- f2.chart1.Series[0].Points.AddXY(x[i], y[i]);
- }
- f2.Show();
- }
- }
- }
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