PowellOptimizer (The Adobe Experience Manager SDK 2022.11.9850.20221116T162329Z-220900)

java.lang.Object
- org.apache.commons.math.optimization.general.AbstractScalarDifferentiableOptimizer
- - org.apache.commons.math.optimization.direct.PowellOptimizer

All Implemented Interfaces:

DifferentiableMultivariateRealOptimizer
```
public class PowellOptimizer
extends AbstractScalarDifferentiableOptimizer
```
Powell algorithm. This code is translated and adapted from the Python version of this algorithm (as implemented in module optimize.py v0.5 of SciPy).

Since:

2.2

Field Summary

Fields
Modifier and Type	Field	Description
`static double`	`DEFAULT_LS_ABSOLUTE_TOLERANCE`	Default absolute tolerance for line search (1.0E-11).
`static double`	`DEFAULT_LS_RELATIVE_TOLERANCE`	Default relative tolerance for line search (1.0E-7).

Fields inherited from class org.apache.commons.math.optimization.general.AbstractScalarDifferentiableOptimizer
DEFAULT_MAX_ITERATIONS

Constructor Summary

Constructors
Constructor	Description
`PowellOptimizer()`	Constructor with default line search tolerances (see the `other constructor`).
`PowellOptimizer(double lsRelativeTolerance)`	Constructor with default absolute line search tolerances (see the `other constructor`).
`PowellOptimizer(double lsRelativeTolerance, double lsAbsoluteTolerance)`

Method Summary
- Methods inherited from class org.apache.commons.math.optimization.general.AbstractScalarDifferentiableOptimizer
  getConvergenceChecker, getEvaluations, getGradientEvaluations, getIterations, getMaxEvaluations, getMaxIterations, optimize, setConvergenceChecker, setMaxEvaluations, setMaxIterations
- Methods inherited from class java.lang.Object
  equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - DEFAULT_LS_RELATIVE_TOLERANCE
```
public static final double DEFAULT_LS_RELATIVE_TOLERANCE
```
    Default relative tolerance for line search (1.0E-7).
    
    See Also:
    
    Constant Field Values
  - DEFAULT_LS_ABSOLUTE_TOLERANCE
```
public static final double DEFAULT_LS_ABSOLUTE_TOLERANCE
```
    Default absolute tolerance for line search (1.0E-11).
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - PowellOptimizer
```
public PowellOptimizer()
```
    Constructor with default line search tolerances (see the other constructor).
  - PowellOptimizer
```
public PowellOptimizer(double lsRelativeTolerance)
```
    Constructor with default absolute line search tolerances (see the other constructor).
    
    Parameters:
    
    lsRelativeTolerance - Relative error tolerance for the line search algorithm (BrentOptimizer).
  - PowellOptimizer
```
public PowellOptimizer(double lsRelativeTolerance,
                       double lsAbsoluteTolerance)
```
    Parameters:
    
    lsRelativeTolerance - Relative error tolerance for the line search algorithm (BrentOptimizer).
    
    lsAbsoluteTolerance - Relative error tolerance for the line search algorithm (BrentOptimizer).