Evaluates the specified function on double array. - CSharp System

CSharp examples for System:Array Element

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Description

Evaluates the specified function on double array.

Demo Code


using System;//from   w  w  w  .  j a  v  a2 s.com

public class Main{
        /// <summary>
        /// Evaluates the specified function.
        /// </summary>
        /// <param name="f">The function.</param>
        /// <param name="x">The x values.</param>
        /// <param name="y">The y values.</param>
        /// <returns>Array of evaluations. The value of f(x_i,y_j) will be placed at index [i, j].</returns>
        public static double[,] Evaluate(Func<double, double, double> f, double[] x, double[] y)
        {
            int m = x.Length;
            int n = y.Length;
            var result = new double[m, n];
            for (int i = 0; i < m; i++)
            {
                for (int j = 0; j < n; j++)
                {
                    result[i, j] = f(x[i], y[j]);
                }
            }

            return result;
        }
}

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