Package org.ddogleg.optimization.wrap

Class CachedNumericalGradientLineFunction

java.lang.Object
org.ddogleg.optimization.wrap.CachedNumericalGradientLineFunction
All Implemented Interfaces:
CoupledDerivative, CoupledGradient, GradientLineFunction, LineSearchFunction
public class CachedNumericalGradientLineFunction extends Object implements GradientLineFunction
Numerically computes the gradient and line derivative. Results are cached independently for function output, gradient, and line derivative.

  • Field Details

    • N

      protected int N

    • start

      protected double[] start

    • direction

      protected double[] direction

    • cachedFunction

      protected boolean cachedFunction

    • cachedGradient

      protected boolean cachedGradient

    • cachedDerivative

      protected boolean cachedDerivative

    • currentInput

      protected double[] currentInput

    • currentGradient

      protected double[] currentGradient

    • currentOutput

      protected double currentOutput

    • currentStep

      protected double currentStep

    • currentDerivative

      protected double currentDerivative

    • function

      protected FunctionNtoS function

    • gradient

      protected FunctionNtoN gradient

    • lineDerivative

      protected FunctionStoS lineDerivative

  • Constructor Details

    • CachedNumericalGradientLineFunction

      public CachedNumericalGradientLineFunction(FunctionNtoS function)

  • Method Details