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Mar 28th, 2017
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C++ 0.93 KB | None | 0 0
  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. void iter(float A[50][50], float(&x)[50][50], int ite, int n)
  6. {
  7.     int suma;
  8.     for (int i = 1; i <= n; i++)
  9.     {
  10.         suma = 0;
  11.         for (int j = 1; j <= n; j++)
  12.         {
  13.             if (i != j)
  14.                 suma = suma + ((-A[i][j]) / (A[i][i])) * (x[ite - 1][i]);
  15.            
  16.         }
  17.         x[ite][i] = (A[i][n + 1] / A[i][i]) + suma;
  18.         cout << "x[" << ite << "][" << i << "] = " << x[ite][i] << endl;
  19.     }
  20. }
  21.  
  22. int main()
  23. {
  24.  
  25.     float A[50][50], x[50][50];
  26.     int n, ite;
  27.  
  28.     cout << "Enter the order " << endl;
  29.     cin >> n;
  30.  
  31.     cout << "Enter the coeeficients:" << endl << endl;
  32.     for (int i = 1; i <= n; i++)
  33.     {
  34.         for (int j = 1; j <= (n + 1); j++)
  35.         {
  36.             cout << endl << "A[" << i << "][" << j << "] : ";
  37.             cin >> A[i][j];
  38.         }
  39.     }
  40.     system("cls");
  41.     for (int i = 1; i <= n; i++)
  42.     {
  43.         x[0][i] = (A[i][n + 1]) / (A[i][i]);
  44.     }
  45.  
  46.     for (ite = 1; ite < 10; ite++)
  47.     {
  48.         iter(A, x, ite, n);
  49.     }
  50.  
  51.  
  52.  
  53.     system("PAUSE");
  54.     return 0;
  55. }
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