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  1. using System;
  2. using System.Collections.Generic;
  3. using System.ComponentModel;
  4. using System.Data;
  5. using System.Drawing;
  6. using System.Linq;
  7. using System.Text;
  8. using System.Threading.Tasks;
  9. using System.Windows.Forms;
  10.  
  11. namespace App3
  12. {
  13.     public partial class Form1 : Form
  14.     {
  15.         public Form1()
  16.         {
  17.             InitializeComponent();
  18.         }
  19.  
  20.         public static double Factorial(double n)
  21.         {
  22.             if (n == 0) return 1;
  23.             else return n * Factorial(n - 1);
  24.         }
  25.  
  26.         public static double Equation(double x)
  27.         {
  28.             double Sx = 0;
  29.             for (double n = 0; n <= 14; n++)
  30.             {
  31.                 Sx += ((2 * n + 1) / Factorial(n)) * Math.Pow(x, 2 * n);
  32.             }
  33.             return Sx;
  34.         }
  35.         // Var 5
  36.         private void Start_Click(object sender, EventArgs e)
  37.         {
  38.             res.Clear();
  39.             double x1 = Convert.ToDouble(Boxx1.Text);
  40.             double x2 = Convert.ToDouble(Boxx2.Text);
  41.             double N = Convert.ToDouble(BoxN.Text);
  42.             double h = (x2 - x1) / N;
  43.             Boxh.Text = Convert.ToString(h);
  44.             double Sx;
  45.             double Yx;
  46.             for (double x = x1; x <= x2; x += h)
  47.             {
  48.                 Sx = Equation(x);
  49.  
  50.                 Yx = (1 + 2 * Math.Pow(x, 2)) * Math.Exp(Math.Pow(x, 2));
  51.  
  52.                 res.Text += $"При x = {x}\tS(x) = {Math.Round(Sx, 2)}; Y(x) = {Math.Round(Yx, 2)}\r\n";
  53.             }
  54.         }
  55.  
  56.  
  57.     }
  58. }
  59.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cs(4,14): error CS0234: The type or namespace name `Data' does not exist in the namespace `System'. Are you missing `System.Data' assembly reference?
prog.cs(9,22): error CS0234: The type or namespace name `Forms' does not exist in the namespace `System.Windows'. Are you missing `System.Windows.Forms' assembly reference?
prog.cs(13,34): error CS0246: The type or namespace name `Form' could not be found. Are you missing an assembly reference?
Compilation failed: 3 error(s), 0 warnings
stdout
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Standard output is empty
https://ideone.com/Iidx0L
language:
C# (gmcs 5.20.1)
created:
3 years ago
visibility:
public

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