TrustRegionMinimizer Class

[SerializableAttribute]
public class TrustRegionMinimizer : IBoundedNonlinearLeastSqMinimizer, 
	INonlinearLeastSqMinimizer, ICloneable

<SerializableAttribute>
Public Class TrustRegionMinimizer
	Implements IBoundedNonlinearLeastSqMinimizer, INonlinearLeastSqMinimizer, ICloneable

[SerializableAttribute]
public ref class TrustRegionMinimizer : IBoundedNonlinearLeastSqMinimizer, 
	INonlinearLeastSqMinimizer, ICloneable

[<SerializableAttribute>]
type TrustRegionMinimizer = 
    class
        interface IBoundedNonlinearLeastSqMinimizer
        interface INonlinearLeastSqMinimizer
        interface ICloneable
    end

TrustRegionMinimizer minimizer = new TrustRegionMinimizer();

NMathFunctions.DoubleVectorDoubleVectorFunction f = delegate(DoubleVector x)
{
  DoubleVector fx = new DoubleVector(x.Length);
  for (int i = 0; i < (x.Length) / 4; i++)
  {
    fx[4 * i] = x[4 * i] + 10.0 * x[4 * i + 1];
    fx[4 * i + 1] = 2.2360679774997896964091736687313 * (x[4 * i + 2] - x[4 * i + 3]);
    fx[4 * i + 2] = (x[4 * i + 1] - 2.0 * x[4 * i + 2]) * (x[4 * i + 1] - 2.0 * x[4 * i + 2]);
    fx[4 * i + 3] = 3.1622776601683793319988935444327 * (x[4 * i] - x[4 * i + 3]) * (x[4 * i] - x[4 * i + 3]);
  }
  return fx;
};

DoubleVector start = new DoubleVector("3.0 -1.0 0.0 1.0");
int ydim = 4;
DoubleVector solution = minimizer.Minimize(f, start, ydim);

Console.WriteLine("solution = " + solution);
Console.WriteLine("iterations = " + minimizer.Iterations);
Console.WriteLine("initial error = " + minimizer.InitialResidual);
Console.WriteLine("final error = " + minimizer.FinalResidual);
Console.WriteLine("stop criterion = " + minimizer.StopCriterion);