using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using V = Science.Mathematics.VectorCalculus;

namespace VectorCalculus5Ed.Chapter2.Section3
{
    public class Example04
    {
        public Example04()
		{
		}
		private string result;
		public string Result
		{
			get{return result;}
		}
        public void Compute()
        {
            Science.Mathematics.Function.ToLastType<double[], double> f
                = new Science.Mathematics.Function.ToLastType<double[], double>(func);
            double[] x = new Double[2];
            x[0] = 0.0;
            x[1] = 0.0;
            V.PartialDerivative obj = new V.PartialDerivative(f, x);

            obj.WithRespectTo = 0;
            obj.Compute();
            result += obj.Result.ToString() + "\r\n";

            obj.WithRespectTo = 1;
            obj.Compute();
            result += obj.Result.ToString() + "\r\n";
        }
        private double func(double[] x)
        {
            return Math.Pow(x[0], 1.0 / 3.0) * Math.Pow(x[1], 1.0 / 3.0);
        }
    }
}
/* 
0
0
*/