Example #1
0
        public static IBaseMathOperator CalculateNPolynomial(IBaseMathOperator original, double x, uint n)
        {
            var addList        = new List <IBaseMathOperator>();
            var lastDerivative = original;

            original.SetXValue(x);
            addList.Add(new ConstantMathOperator(original.Result()));
            for (var i = 1; i < n; i++)
            {
                var times = new MultiplyMathOperator();

                {
                    var der = lastDerivative.Derivate();
                    lastDerivative = der;
                }

                lastDerivative.SetXValue(x);

                var divide    = new DevideMathOperator();
                var factorial = new FactorialMathOperator(i);
                divide.Instantiate(new IBaseMathOperator[] { new ConstantMathOperator(lastDerivative.Result()), factorial });

                var minus = new MinMathOperator();
                minus.Instantiate(new IBaseMathOperator[] { new VariableXMathOperator(), new ConstantMathOperator(x) });

                var power = new ExpotentialOperator();
                power.Instantiate(new IBaseMathOperator[] { minus, new ConstantMathOperator(i) });

                times.Instantiate(new IBaseMathOperator[] { divide, power });
                addList.Add(times.DeepSimplyfy());
            }

            return(new AddMathOperator().CreateFromList(addList).DeepSimplyfy());
        }
        public static IBaseMathOperator GetBaseMathOperatorFromValues(double[] values)
        {
            var list = new List <IBaseMathOperator>();

            for (var i = 0; i < values.Length; i++)
            {
                var power = new ExpotentialOperator();
                power.Instantiate(new IBaseMathOperator[] { new VariableXMathOperator(), new ConstantMathOperator(values.Length - i - 1) });
                var times = new MultiplyMathOperator();
                times.Instantiate(new IBaseMathOperator[] { new ConstantMathOperator(values[i]), power });
                list.Add(times);
            }
            return(new AddMathOperator().CreateFromList(list));
        }