public bool ValidPivotColRow(int pivotCol, int pivotRow)
{
bool result = true;
if ((currentSimplexTable >= 0) & (currentSimplexTable < SimplexTables.Count))
{
SimplexTable currentsmptbl = SimplexTables[currentSimplexTable];
currentsmptbl.CalcMeritRestrictions(pivotCol);
result = currentsmptbl.MRVector(pivotRow) >= 0;
}
return(result);
}
public void SetPivotColRow(int col, int row)
{
if (SimplexGrid.Visible)
{
for (int i = 0; i < SimplexGrid.RowCount; i++)
{
for (int j = 0; j < SimplexGrid.ColumnCount; j++)
{
SimplexGrid[j, i].Style.BackColor = Color.White;
}
}
if ((col != -1) & (row != -1))
{
for (int i = 0; i < SimplexGrid.RowCount; i++)
{
SimplexGrid[col + 1, i].Style.BackColor = Color.LightYellow;
}
for (int i = 0; i < SimplexGrid.ColumnCount; i++)
{
SimplexGrid[i, row].Style.BackColor = Color.LightYellow;
}
if ((currentSimplexTable >= 0) & (currentSimplexTable < SimplexTables.Count))
{
SimplexTable currentsmptbl = SimplexTables[currentSimplexTable];
int PivotCol = col + 1;
int PivotRow = row + 1;
currentsmptbl.CalcMeritRestrictions(PivotCol);
if ((PivotRow != -1) & (PivotCol != -1))
{
for (int i = 0; i < currentsmptbl.M; i++)
{
if (currentsmptbl.MRVector(i) < 0)
{
SimplexGrid[SimplexGrid.ColumnCount - 1, i].Value = "Не огр.";
}
else
{
SimplexGrid[SimplexGrid.ColumnCount - 1, i].Value = currentsmptbl.MRVector(i);
}
}
}
else
{
for (int i = 0; i < currentsmptbl.M; i++)
{
SimplexGrid[SimplexGrid.ColumnCount - 1, i].Value = "";
}
}
}
}
else
{
for (int i = 0; i < SimplexGrid.RowCount - 1; i++)
{
SimplexGrid[SimplexGrid.ColumnCount - 1, i].Value = "";
}
}
}
}
// Обновление UpdateGrid в соответствии с текущей симплекс таблицей
private void UpdateSimplexGrid()
{
if ((currentSimplexTable >= 0) & (currentSimplexTable < SimplexTables.Count))
{
SimplexTable smptbl = SimplexTables[currentSimplexTable];
Mainpanel.Visible = true;
SimplexGrid.RowCount = smptbl.M + 1;
SimplexGrid.ColumnCount = smptbl.N + smptbl.M + 2;
SimplexGrid.Columns[0].HeaderText = "b";
for (int i = 1; i < SimplexGrid.ColumnCount - 1; i++)
{
SimplexGrid.Columns[i].HeaderText = "x" + i.ToString();
}
SimplexGrid.Columns[SimplexGrid.ColumnCount - 1].HeaderText = "O.O";
for (int i = 0; i < SimplexGrid.RowCount - 1; i++)
{
SimplexGrid.Rows[i].HeaderCell.Value = "x" + smptbl.BaseVector(i);
}
if (TaskTypeComboBox.SelectedIndex == 0)
{
SimplexGrid.Rows[SimplexGrid.RowCount - 1].HeaderCell.Value = "Fmax";
}
else
{
SimplexGrid.Rows[SimplexGrid.RowCount - 1].HeaderCell.Value = "Fmin";
}
for (int i = 0; i < SimplexGrid.RowCount; i++)
{
for (int j = 0; j < SimplexGrid.ColumnCount; j++)
{
SimplexGrid[j, i].Style.BackColor = Color.White;
}
}
if (smptbl.PivotRow != -1)
{
for (int i = 0; i < SimplexGrid.ColumnCount; i++)
{
SimplexGrid[i, smptbl.PivotRow].Style.BackColor = Color.LightYellow;
}
}
if (smptbl.PivotCol != -1)
{
for (int i = 0; i < SimplexGrid.RowCount; i++)
{
SimplexGrid[smptbl.PivotCol, i].Style.BackColor = Color.LightYellow;
}
smptbl.CalcMeritRestrictions(smptbl.PivotCol);
}
if ((smptbl.PivotRow != -1) & (smptbl.PivotCol != -1))
{
for (int i = 0; i < smptbl.M; i++)
{
if (smptbl.MRVector(i) < 0)
{
SimplexGrid[SimplexGrid.ColumnCount - 1, i].Value = "Не огр.";
}
else
{
SimplexGrid[SimplexGrid.ColumnCount - 1, i].Value = smptbl.MRVector(i);
}
}
}
else
{
for (int i = 0; i < smptbl.M; i++)
{
SimplexGrid[SimplexGrid.ColumnCount - 1, i].Value = "";
}
}
smptbl.PrintTable(SimplexGrid);
}
}