edu.jhu.bme.smile.commons.optimize
Class MinToMax1DDifferentiable

java.lang.Object
  edu.jhu.bme.smile.commons.optimize.MinToMax1DDifferentiable

All Implemented Interfaces:

Optimizable1DContinuous, Optimizable1DContinuousDifferentiable

public class MinToMax1DDifferentiable
extends java.lang.Object
implements Optimizable1DContinuousDifferentiable

Finds the maximum of Diffentiable 1D functions by negating the function and finding the minimum.

Author:

Hanlin Wan

Constructor Summary

MinToMax1DDifferentiable(Optimizable1DContinuousDifferentiable func)
Constructor to create the negated function

Method Summary

double	get2ndDerivative(double x) Gets the negated second derivative
double	getDerivative(double x) Gets the negated derivative
double	getDomainMax() Gets the domain maximum
double	getDomainMin() Gets the domain minimum
double	getDomainTolerance() Gets the tolerance
double	getValue(double x) Gets the negated value

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MinToMax1DDifferentiable

public MinToMax1DDifferentiable(Optimizable1DContinuousDifferentiable func)

Constructor to create the negated function

Parameters:

func - function to negate

Method Detail

get2ndDerivative

public double get2ndDerivative(double x)

Gets the negated second derivative

Specified by:

get2ndDerivative in interface Optimizable1DContinuousDifferentiable

Parameters:

x - location to calculate derivative

Returns:

the negated second derivative

getDerivative

public double getDerivative(double x)

Gets the negated derivative

Specified by:

getDerivative in interface Optimizable1DContinuousDifferentiable

Parameters:

x - location to calculate derivative

Returns:

the negated derivative

getDomainMax

public double getDomainMax()

Gets the domain maximum

Specified by:

getDomainMax in interface Optimizable1DContinuous

Returns:

domain max

getDomainMin

public double getDomainMin()

Gets the domain minimum

Specified by:

getDomainMin in interface Optimizable1DContinuous

Returns:

domain min

getDomainTolerance

public double getDomainTolerance()

Gets the tolerance

Specified by:

getDomainTolerance in interface Optimizable1DContinuous

Returns:

tolerance

getValue

public double getValue(double x)

Gets the negated value

Specified by:

getValue in interface Optimizable1DContinuous

Parameters:

x - location to get value at

Returns:

negated value at location x