private void IndividualMatrixRadioButton_CheckedChanged(object sender, EventArgs e)
{
// If individialMatrixRadioButton is checked
if (IndividualMatrixRadioButton.Checked)
{
// If MatrixDataGridView isn't clear
if (MatrixDataGridView.GetCellCount(DataGridViewElementStates.Displayed) != 0)
{
ColumnsTextBox.Text = MatrixClass.COUNT_COLUMNS.ToString();
RowsTextBox.Text = MatrixClass.COUNT_ROWS.ToString();
}
// ... is clear
else
{
ColumnsTextBox.Text = COUNT_ROW_COL_DEFAULT.ToString();
RowsTextBox.Text = COUNT_ROW_COL_DEFAULT.ToString();
}
// Set visible group boxes
ColRowGroupBox.Visible = true;
ResultGroupBox.Visible = false;
}
else
{
// Set visible group boxes
ColRowGroupBox.Visible = false;
ResultGroupBox.Visible = true;
individualMatrix = null;
}
}
private void ProcessIndividualMatrix()
{
if (isProcessedIndividualMatrix)
{
return;
}
if (individualMatrix == null)
{
InitializeIndividualMatrix();
individualMatrix = baseMatrix;
}
// --- Gauss method ---
int minCells = Math.Min(individualMatrix.Columns, individualMatrix.Rows);
for (int i = 0; i < minCells; i++)
{
individualMatrix.DivideRow(i, individualMatrix[i, i]);
for (int k = i + 1; k < individualMatrix.Rows; k++)
{
double pw = (-1) * individualMatrix[k, i];
individualMatrix.MultiplyRow(i, pw);
individualMatrix.AddRows(i, k);
individualMatrix.DivideRow(i, pw);
}
}
// --- // ---
double[][] resultArray = new double[individualMatrix.Rows][];
for (int i = 0; i < resultArray.Length; i++)
{
resultArray[i] = new double[resultArray.Length - i];
}
for (int i = 0; i < resultArray.Length; i++)
{
for (int j = resultArray[i].Length - 1, k = 0; k < resultArray[i].Length; j--, k++)
{
resultArray[i][j] = individualMatrix[i, j + i];
}
}
MatrixDataGridView.Rows.Clear();
MatrixDataGridView.ColumnCount = individualMatrix.Columns;
MatrixDataGridView.RowCount = individualMatrix.Rows;
for (int i = 0; i < resultArray.Length; i++)
{
for (int j = resultArray[i].Length - 1, k = 0; k < resultArray[i].Length; j--, k++)
{
MatrixDataGridView.Rows[i].Cells[j + i].Value = String.Format("{0:0}", resultArray[i][j]);
}
}
isProcessedIndividualMatrix = true;
}
private bool InitializeIndividualMatrix()
{
int cols, rows;
try
{
cols = int.Parse(ColumnsTextBox.Text);
rows = int.Parse(RowsTextBox.Text);
}
catch (Exception)
{
MessageBox.Show("Count of columns or rows is uncorrect. Correct it and try again!");
return(false);
}
if (cols == 0 || rows == 0)
{
MessageBox.Show("Count of columns or rows is zero. Correct it and try again!");
return(false);
}
individualMatrix = new MatrixClass(rows, cols);
return(true);
}