LeastSquaresAdapter (Apache Commons Math 3.6.1 API)

java.lang.Object
- org.apache.commons.math3.fitting.leastsquares.LeastSquaresAdapter

All Implemented Interfaces:

LeastSquaresProblem, OptimizationProblem<LeastSquaresProblem.Evaluation>
```
public class LeastSquaresAdapter
extends Object
implements LeastSquaresProblem
```
An adapter that delegates to another implementation of LeastSquaresProblem.

Since:

3.3

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.commons.math3.fitting.leastsquares.LeastSquaresProblem
  LeastSquaresProblem.Evaluation

Constructor Summary

Constructors
Constructor and Description

LeastSquaresAdapter(LeastSquaresProblem problem)
Delegate the LeastSquaresProblem interface to the given implementation.

Constructors
Constructor and Description
`LeastSquaresAdapter(LeastSquaresProblem problem)` Delegate the `LeastSquaresProblem` interface to the given implementation.

Method Summary

Methods
Modifier and Type	Method and Description
`LeastSquaresProblem.Evaluation`	`evaluate(RealVector point)` Evaluate the model at the specified point.
`ConvergenceChecker<LeastSquaresProblem.Evaluation>`	`getConvergenceChecker()` Gets the convergence checker.
`Incrementor`	`getEvaluationCounter()` Get a independent Incrementor that counts up to the maximum number of evaluations and then throws an exception.
`Incrementor`	`getIterationCounter()` Get a independent Incrementor that counts up to the maximum number of iterations and then throws an exception.
`int`	`getObservationSize()` Get the number of observations (rows in the Jacobian) in this problem.
`int`	`getParameterSize()` Get the number of parameters (columns in the Jacobian) in this problem.
`RealVector`	`getStart()` Gets the initial guess.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - LeastSquaresAdapter
```
public LeastSquaresAdapter(LeastSquaresProblem problem)
```
    Delegate the LeastSquaresProblem interface to the given implementation.
    
    Parameters:
    problem - the delegate
- Method Detail
  - getStart
```
public RealVector getStart()
```
    Gets the initial guess.
    
    Specified by:
    
    getStart in interface LeastSquaresProblem
    
    Returns:
    the initial guess values.
  - getObservationSize
```
public int getObservationSize()
```
    Get the number of observations (rows in the Jacobian) in this problem.
    
    Specified by:
    
    getObservationSize in interface LeastSquaresProblem
    
    Returns:
    the number of scalar observations
  - getParameterSize
```
public int getParameterSize()
```
    Get the number of parameters (columns in the Jacobian) in this problem.
    
    Specified by:
    
    getParameterSize in interface LeastSquaresProblem
    
    Returns:
    the number of scalar parameters
  - evaluate
```
public LeastSquaresProblem.Evaluation evaluate(RealVector point)
```
    Evaluate the model at the specified point.
    
    Specified by:
    
    evaluate in interface LeastSquaresProblem
    
    Parameters:
    point -
    
    Returns:
    the model's value and derivative at the given point.
  - getEvaluationCounter
```
public Incrementor getEvaluationCounter()
```
    Get a independent Incrementor that counts up to the maximum number of evaluations and then throws an exception.
    
    Specified by:
    
    getEvaluationCounter in interface OptimizationProblem<LeastSquaresProblem.Evaluation>
    
    Returns:
    a counter for the evaluations.
  - getIterationCounter
```
public Incrementor getIterationCounter()
```
    Get a independent Incrementor that counts up to the maximum number of iterations and then throws an exception.
    
    Specified by:
    
    getIterationCounter in interface OptimizationProblem<LeastSquaresProblem.Evaluation>
    
    Returns:
    a counter for the evaluations.
  - getConvergenceChecker
```
public ConvergenceChecker<LeastSquaresProblem.Evaluation> getConvergenceChecker()
```
    Gets the convergence checker.
    
    Specified by:
    
    getConvergenceChecker in interface OptimizationProblem<LeastSquaresProblem.Evaluation>
    
    Returns:
    the object used to check for convergence.

Class LeastSquaresAdapter

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.commons.math3.fitting.leastsquares.LeastSquaresProblem

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

LeastSquaresAdapter

Method Detail

getStart

getObservationSize

getParameterSize

evaluate

getEvaluationCounter

getIterationCounter

getConvergenceChecker