private bool HavePositiveCellsWithoutPositiveElements(SimplexTable table)
{
for (var j = 0; j < table.Variables.Count; j++)
{
if (table.GetRating(table.Variables.ElementAt(j)) <= 0) continue;
var havePositive = false;
for (var i = 0; i < table.RowsCount; i++)
{
if (table.GetMatrixElement(i, j) < 0) continue;
havePositive = true;
break;
}
if (!havePositive) return true;
}
return false;
}
/// <summary>
/// Gets result of solving of normalized problem
/// </summary>
public LppResult GetNormalizedProblemResult(SimplexTable table)
{
for (var i = 0; i < table.Variables.Count; i++)
{
if (table.GetRating(table.Variables.ElementAt(i)) <= 0) continue;
var allNegative = true;
for (var j = 0; j < table.RowsCount; j++)
{
if (table.GetMatrixElement(j, i) >= 0)
allNegative = false;
}
if (allNegative)
return new LppResult(null, null);
}
return GetResult(table, VariablesWithMaxCoefficient);
}
