static void Main(string[] args)
{
double[,] coefs =
{
{ -2, 1, 1, 0, 1, 0 },
{ -1, -2, 0, 1, 3, 0 },
{ 3, -1, 0, 0, -12, 1 }
};
double[] basis = new double[] { 20, 24, 18 };
Sign[] signs = new Sign[] { Sign.Equal, Sign.Equal, Sign.Equal };
double[] objFunctionCoefs = new double[] { 1, -4, 1, 1, 1, 1 };
Coef[] ansCoefs = null;
try
{
SymplexMatrix symplexMatrix = new SymplexMatrix(new ObjectiveFunction(objFunctionCoefs, Striving.Min),
coefs, basis, signs);
ConsoleSymplex.GetSolution(symplexMatrix);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public static Coef[] GetSolution(SymplexMatrix symplexMatrix)
{
/*if (symplexMatrix.ObjectiveFunction.Striving == Striving.Min)
* {
* symplexMatrix.ObjectiveFunction.SwapStriving();
* }*/
SymplexTable symplexTable = new SymplexTable(symplexMatrix);
symplexTable.EventTableChanges += SymplexTableEventChanges;
Coef[] coefs = symplexTable.GetSolution();
Console.WriteLine("Решение");
ShowVector(coefs);
Console.WriteLine(
$"Значение функции: {GetValueFun(symplexMatrix.ObjectiveFunction.Coefs.ToArray(), coefs)}");
var dualCoefs = symplexTable.GetDualSolution();
Console.WriteLine("Решение двойственной");
ShowVector(dualCoefs);
return(coefs);
}
public Coef[] GetDualSolution()
{
Coef[] coefs = new Coef[SymplexMatrix.GetCountBalance()];
for (int i = SymplexMatrix.ObjectiveFunction.Coefs.Count - SymplexMatrix.GetCountArtificial() - SymplexMatrix.GetCountBalance(), j = 0; i < SymplexMatrix.GetCountBalance(); i++, j++)
{
coefs[j].Value = LastsymplexDifference[i, 0];
coefs[j].TypeCoef = TypeCoef.Balance;
}
return(coefs);
}
public SymplexTable(SymplexMatrix symplexMatrix)
{
SymplexMatrix = symplexMatrix;
Table = new double[symplexMatrix.Basis.Length,
SymplexMatrix.Coefs.GetLength(1) +
SymplexMatrix.GetCountBalance() +
SymplexMatrix.GetCountArtificial() +
1];
CurrentBasis = new Coef[SymplexMatrix.Basis.Length];
InitTable();
}