mathnet-numerics/examples/examples-csharp/SpecialFunctions/Stability.cs

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using System;
using MathNet.Numerics;

namespace Examples.SpecialFunctionsExamples
{
    /// <summary>
    /// Special Functions: Stability
    /// </summary>
    public class Stability : IExample
    {
        /// <summary>
        /// Gets the name of this example
        /// </summary>
        public string Name
        {
            get
            {
                return "Special Functions: Stability";
            }
        }

        /// <summary>
        /// Gets the description of this example
        /// </summary>
        public string Description
        {
            get
            {
                return "Exponential, Hypotenuse, Series";
            }
        }

        /// <summary>
        /// Run example
        /// </summary>
        /// <seealso cref="http://en.wikipedia.org/wiki/Hypotenuse">Hypotenuse</seealso>
        public void Run()
        {
            // 1. Compute numerically stable exponential of 10 minus one 
            Console.WriteLine(@"1. Compute numerically stable exponential of 4.2876 minus one");
            Console.WriteLine(SpecialFunctions.ExponentialMinusOne(4.2876));
            Console.WriteLine();

            // 2. Compute regular System.Math exponential of 15.28 minus one 
            Console.WriteLine(@"2. Compute regular System.Math exponential of 4.2876 minus one ");
            Console.WriteLine(Math.Exp(4.2876) - 1);
            Console.WriteLine();

            // 3. Compute numerically stable hypotenuse of a right angle triangle with a = 5, b = 3
            Console.WriteLine(@"3. Compute numerically stable hypotenuse of a right angle triangle with a = 5, b = 3");
            Console.WriteLine(SpecialFunctions.Hypotenuse(5, 3));
            Console.WriteLine();
        }
    }
}