private void DrawInitial()
{
var arr = MathExtend.ListTo2DArr(inputData);
var table = this.DrawTable(arr);
addRowsFromSource(table, ref dataTable);
dataTable.Visible = true;
}
private bool NeedFiction()
{
bool res = false;
for (int i = 0; i < freeCount; i++) // first column besides c0
{
if (_matrix[i, 0] < 0)
{
res = true;
MathExtend.SumMatrixRows(ref _matrix, i, freeCount + 1);
}
}
return(res);
}
private void OptimizeMatrix() // get rid of all fractions
{
for (int i = 0; i < _dataMatrix.GetUpperBound(0); i++)
{
for (int j = 0; j < _dataMatrix.GetUpperBound(1); j++)
{
double frac = Math.Abs(_dataMatrix[i, j] - Math.Truncate(_dataMatrix[i, j]));
if (frac > 0)
{
MathExtend.MultipleMatrixRow(ref _dataMatrix, 1 / frac, i);
}
}
}
}
private void RowImprove(int target)
{
int col = SolvingColumn(target);
int row = SolvingRow(col);
double[,] tempMatrix = MathExtend.Copy(_tempMatrixes[_tempMatrixes.Count - 1]);
MathExtend.Jordan(ref tempMatrix, row, col);
_tempMatrixes.Add(CalcSum(tempMatrix));
int temp = _plan[row];
_plan[row] = _allVariables[col - 1];
_allVariables[col - 1] = _plan[row];
//_tempMatrixes.Add(tempMatrix);
}
public static double Nok(double a, double b)
{
return(Math.Abs(a * b) / MathExtend.Nod(a, b));
}