Method Detail

• value

  double value(double x,
             double[] parameters)
               throws FunctionEvaluationException

  Compute the value of the function.

  Parameters:

  x - the point for which the function value should be computed

  parameters - function parameters

  Returns:

  the value

  Throws:

  FunctionEvaluationException - if the function evaluation fails

• gradient

  double[] gradient(double x,
                  double[] parameters)
                    throws FunctionEvaluationException

  Compute the gradient of the function with respect to its parameters.

  Parameters:

  x - the point for which the function value should be computed

  parameters - function parameters

  Returns:

  the value

  Throws:

  FunctionEvaluationException - if the function evaluation fails