Accord.Tests.Math.BroydenFletcherGoldfarbShannoTest.rosenbrockFunction C# (CSharp) Method

        public static double rosenbrockFunction(double[] x)
        {
            double a = x[1] - x[0] * x[0];
            double b = 1 - x[0];
            return b * b + 100 * a * a;
        }