Пример #1
0
        private Func <double, double> SumOfAbs(int n)
        {
            double SumOfn(double x)
            {
                var s = 0d;

                for (int k = 2; k <= n; k++)
                {
                    s += Math.Abs(WalshSobolev.Get2(k)(x));
                }
                return(s);
            }

            return(SumOfn);
        }
Пример #2
0
        private Func <double, double> PartialSum(Func <double, double> f, int n)
        {
            var coeffs = new List <double> {
                f(0)
            };

            coeffs.AddRange(Range(1, n).Select(j => coeff(f, j)));
            //var coeffs = Range(1, n - 1).Select(j => coeffByDef(j)).ToArray();
            double partSum(double x)
            {
                var s = 0d;

                for (int j = 0; j <= n; j++)
                {
                    s += coeffs[j] * WalshSobolev.Get2(j)(x);
                }
                return(s);
            }

            return(partSum);
        }