示例#1
0
        public double GetFunction(double x, char ch)
        {
            SplineInterval[] splines = new SplineInterval[Count - 1];
            if (ch == 'c')
            {
                splines = _ClampedSplines;
            }
            else
            {
                splines = _splines;
            }
            if (x == splines[0].GetX1())
            {
                return(splines[0].F(x));
            }

            for (int i = 0; i < splines.Length; i++)
            {
                if (x <= splines[i].GetX2())
                {
                    return(splines[i].F(x));
                }
            }
            return(0);
        }
示例#2
0
        public void BuildSubIntervalsForClamped()
        {
            double[] c = CreateCvector(A1, v1, Count);

            //{ -1,1,3,5,10,15}
            //Находим массив A
            for (int i = 0; i < c.Length - 1; i++)
            {
                double hi = _points[i + 1].X - _points[i].X;
                _ClampedSplines[i] = new SplineInterval(_points[i], _points[i + 1], _points[i].Y,
                                                        (_points[i + 1].Y - _points[i].Y) / hi - (hi * (2 * c[i] + c[i + 1])) / 3, c[i], (c[i + 1] - c[i]) / (3 * (_points[i + 1].X - _points[i].X)));
            }
        }