private KeyValuePair <string, double> GetRefRow(KeyValuePair <string, double> refCol, ref SimplexTable tabla)
{
double valorCompareIteracion = new double();
string restriccionS = string.Empty;
double pivoteValor = double.NaN;
valorCompareIteracion = double.MaxValue;
foreach (VectorEquation eq in tabla.StandardConstraint)
{
double iteracionN = eq.VectorBody.Where(v => v.Key == refCol.Key).FirstOrDefault().Value;
string iteracionS = !string.IsNullOrEmpty(eq.Name) ? eq.Name : string.Empty;
if (iteracionN > 0 && (tabla.GetConstants().Where(v => v.Key == eq.Name).FirstOrDefault().Value / iteracionN) < valorCompareIteracion)
{
pivoteValor = iteracionN;
restriccionS = iteracionS;
valorCompareIteracion = (tabla.GetConstants().Where(v => v.Key == eq.Name).FirstOrDefault().Value / iteracionN);
}
if (tabla.IsSolution)
{
tabla.IsSolution = (iteracionN > 0);
}
}
return(new KeyValuePair <string, double>(restriccionS, pivoteValor));
}