static public int CalculateOrder(MatrixClass matrix)
{
if (matrix == null || matrix.Length == 0)
{
throw new Exception("Unable to claculate");
}
return(matrix.Length - 1);
}
public double[] BackwardSubstitution(MatrixClass matrix)
{
int length = matrix.GetEquation(0).Array.Length;
double[] result = new double[matrix.Length];
for (int i = matrix.Length - 1; i >= 0; i--)
{
double val = matrix.GetEquation(i).Array[length - 1];
for (int j = length - 2; j > i - 1; j--)
{
val -= matrix.GetEquation(i).Array[j] * result[j];
}
result[i] = val / matrix.GetEquation(i).Array[i];
}
return(result);
}
private bool PivotProcedure(MatrixClass matrix, int row, int column)
{
bool swapped = false;
for (int z = matrix.Length - 1; z > row; z--)
{
if (matrix.GetEquation(z).Array[row] != 0)
{
_ = new double[matrix.GetEquation(0).Array.Length];
double[] temp = matrix.GetEquation(z).Array;
matrix.SetEquation(z, matrix.GetEquation(column));
matrix.SetEquation(column, new EquationClass(temp));
swapped = true;
}
}
return(swapped);
}
