public Option <CoeficientInfo> GetCoeficientInfoByDegree(int degree)
{
var coeficients = Coeficients
.Where(x => x.Degree == degree)
.Select(x => x.Coeficient)
.AsEnumerable();
if (!coeficients.Any())
{
return(None.Value);
}
return(new CoeficientInfo(coeficients.Sum(), degree));
}
public IEnumerable <int> GetDegreeCollection() => Coeficients .Select(x => x.Degree) .Distinct() .OrderBy(x => x) .AsEnumerable();