/// <summary>
/// Calculates ratings
/// </summary>
public void CalculateRatings()
{
_ratings = new Dictionary<int, MaxCoefficient>();
var rowsCount = _rows.Count;
foreach (var variableId in _allVariables.Keys)
{
var rating = new MaxCoefficient();
for (var rowIndex = 0; rowIndex < rowsCount; rowIndex++)
{
var tmp = new MaxCoefficient(_targetFunctionCoefficients[_basisVariables[rowIndex]]);
var fraction = new Fraction(_rows[rowIndex].ElementAt(variableId));
tmp.Multiply(fraction);
rating.Add(tmp);
}
rating.Subtract(_targetFunctionCoefficients[variableId]);
_ratings.Add(variableId, rating);
}
FunctionValue = CalculateFunctionValue();
}
/// <summary>
/// Gets function value
/// </summary>
public MaxCoefficient CalculateFunctionValue()
{
var tmpResult = new MaxCoefficient();
foreach (var elem in _basisVariables)
{
var varCoefficient = new MaxCoefficient(_targetFunctionCoefficients[elem.Value]);
var varValue = new Fraction(_freeCoefficients[elem.Key]);
varCoefficient.Multiply(varValue);
tmpResult.Add(varCoefficient);
}
return tmpResult;
}