private void оптимизироватьToolStripMenuItem_Click(object sender, EventArgs e)
{
try
{
DowndateGrid();
}
catch
{
return;
}
Fraction F;
Fraction[] solution;
SimplexSolver solver = new SimplexSolver();
solver.DebugNewSimplexTable += new SimplexSolver.DebugSimplexTableHandler(solver_DebugNewSimplexTable);
formTables = null;
for (int i = 0; i < m; i++)
{
solver.AddLimtation(A[i], S[i], B[i]);
}
solver.SetTargetFunctionCoefficients(C);
// решаем
solution = solver.Solve();
F = 0;
for (int i = 0; i < C.Length; i++)
{
F += C[i] * solution[i];
}
formTables.AddLine("Решение (max):", solution);
formTables.AddLine("Значение Fmax:", new Fraction[] { F });
// переделываем под минимизацию
for (int i = 0; i < C.Length; i++)
{
C[i] = -C[i];
}
solver.SetTargetFunctionCoefficients(C);
formTables.ResetIterationCounter();
// снова решаем
solution = solver.Solve();
F = 0;
for (int i = 0; i < C.Length; i++)
{
F -= C[i] * solution[i];
}
formTables.AddLine("Решение (min):", solution);
formTables.AddLine("Значение Fmin:", new Fraction[] { F });
formTables.UpdateGrid();
}
private void графическийМетодToolStripMenuItem_Click(object sender, EventArgs e)
{
//dataGridView1[2, 2] = new Fraction(21 / 24);
//return;
try
{
DowndateGrid();
}
catch
{
MessageBox.Show("Input error!");
return;
}
if (df != null)
{
df.RemoveAllGraphics();
}
richTextBox1.Text = "";
GraphicSolver solver = new GraphicSolver();
solver.DebugPolygon += new GraphicSolver.DebugPolygonEventHandler(solver_DebugPolygonEvent);
solver.DebugMaxMinPts += new GraphicSolver.DebugMaxMinEventHandler(solver_DebugMaxMin);
solver.DebugMaxSolution += new GraphicSolver.DebugExtremumEventHandler(solver_DebugMaxSolution);
solver.DebugMinSolution += new GraphicSolver.DebugExtremumEventHandler(solver_DebugMinSolution);
solver.DebugGaussProcessMatrix += new GraphicSolver.DebugGaussProcessMatrixHandler(solver_DebugGaussProcessMatrix);
for (int i = 0; i < A.Length; i++)
{
solver.AddLimtation(A[i], S[i], B[i]);
}
solver.SetTargetFunctionCoefficients(C);
//solver_DebugGaussProcessMatrix((Fraction[,])A);
formTables = new FormSTables();
try
{
solver.Solve();
}
catch (InvalidOperationException exc)
{
MessageBox.Show(exc.Message, "Error",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
return;
}
#region specialno dlya djema))) podrobnosti
richTextBox1.Text += " ---===== Детали ====--- " + "\r\n";
for (int i = 0; i < m; i++)
{
richTextBox1.Text += string.Format(
" x{0} = {1}·x1 {2} {3}·x2 {4} {5}", // x3 = 4/5·x1 + 1/2·x2 - 7/5
i + 1, // 0
-solver.A[i, 1], // 1
Math.Sign(-solver.A[i, 2]) < 0 ? "" : "+", // 2
-solver.A[i, 2], // 3
Math.Sign(solver.A[i, 0]) < 0 ? "" : "+", // 4
solver.A[i, 0] // 5
) + "\r\n";
}
// F(x1,x2) = c1x1 + c2x2 + d
richTextBox1.Text += string.Format(
" F = {0}·x1 {1} {2}·x2 {3} {4}", // e.g.: F = 4/5·x1 + 1/2·x2 - 7/5
solver.C1, // 0
Math.Sign(solver.C2) < 0 ? "" : "+", // 1
solver.C2, // 2
Math.Sign(solver.D) < 0 ? "" : "+", // 3
solver.D // 4
) + "\r\n";
#endregion
formTables.UpdateGrid();
}