internal static QuadraticInterpolationModel Construct(MultiFunctor f, IReadOnlyList <double> x, double s)
        {
            QuadraticInterpolationModel model = new QuadraticInterpolationModel();

            model.Initialize(f, x, s);
            return(model);
        }
 internal static QuadraticInterpolationModel Construct(MultiFunctor f, IList<double> x, double s)
 {
     QuadraticInterpolationModel model = new QuadraticInterpolationModel();
     model.Initialize(f, x, s);
     return (model);
 }