C# (CSharp) Home.Library.Optimisation.RootFinding ObjectiveFunction示例

示例#1

        public double FindRoot(ObjectiveFunction function, MinimisationParameters parameters)
        {
            int count = 0;

            double trialRoot   = parameters.InitialGuess;
            double trialOutput = function.F(trialRoot);

            while (Math.Abs(trialOutput) > parameters.Tolerance)
            {
                if (count > parameters.MaxIterations)
                {
                    throw new OperationCanceledException("Solution did not converge.");
                }

                trialRoot  -= trialOutput / function.FDash(trialRoot);
                trialOutput = function.F(trialRoot);

                count++;
            }

            return(trialRoot);
        }