软件简介

AutoDiff.NET是一个纯.NET库，用于开发人员轻松地构成函数符号化，然后自动计算在任何给定的点函数值和梯度。它适用于结合一个基于梯度的优化库，已经在Mono
2.10 Linux和.NET 4 Windows上测试成功。

示例代码：

using AutoDiff;

class Program
{
    public static void Main(string[] args)
    {
            // define variables
            var x = new Variable();
            var y = new Variable();
            var z = new Variable();

            // define our function
            var func = (x + y) * TermBuilder.Exp(z + x * y);

            // prepare arrays needed for evaluation/differentiation
            Variable[] vars = { x, y, z };
            double[] values = {1, 2, -3 };

            // evaluate func at (1, 2, -3)
            double value = Evaluator.Evaluate(func, vars, values);

            // calculate the gradient at (1, 2, -3)
            double[] gradient = Differentiator.Differentiate(func, vars, values);

            // print results
            Console.WriteLine("The value at (1, 2, -3) is " + value);
            Console.WriteLine("The gradient at (1, 2, -3) is ({0}, {1}, {2})", gradient[0], gradient[1], gradient[2]);
    }
}