public interface MultivariateRealOptimizer
scalar objective functions
.
Optimization algorithms find the input point set that either maximize or minimize
an objective function.
DifferentiableMultivariateRealOptimizer
,
DifferentiableMultivariateVectorialOptimizer
Modifier and Type | Method and Description |
---|---|
RealConvergenceChecker |
getConvergenceChecker()
Get the convergence checker.
|
int |
getEvaluations()
Get the number of evaluations of the objective function.
|
int |
getIterations()
Get the number of iterations realized by the algorithm.
|
int |
getMaxEvaluations()
Get the maximal number of functions evaluations.
|
int |
getMaxIterations()
Get the maximal number of iterations of the algorithm.
|
RealPointValuePair |
optimize(MultivariateRealFunction f,
GoalType goalType,
double[] startPoint)
Optimizes an objective function.
|
void |
setConvergenceChecker(RealConvergenceChecker checker)
Set the convergence checker.
|
void |
setMaxEvaluations(int maxEvaluations)
Set the maximal number of functions evaluations.
|
void |
setMaxIterations(int maxIterations)
Set the maximal number of iterations of the algorithm.
|
void setMaxIterations(int maxIterations)
maxIterations
- maximal number of algorithm iterationsint getMaxIterations()
void setMaxEvaluations(int maxEvaluations)
maxEvaluations
- maximal number of function evaluationsint getMaxEvaluations()
int getIterations()
The number of evaluations corresponds to the last call to the
optimize
method. It is 0 if the method has not been called yet.
int getEvaluations()
The number of evaluations corresponds to the last call to the
optimize
method. It is 0 if the method has not been called yet.
void setConvergenceChecker(RealConvergenceChecker checker)
checker
- object to use to check for convergenceRealConvergenceChecker getConvergenceChecker()
RealPointValuePair optimize(MultivariateRealFunction f, GoalType goalType, double[] startPoint) throws FunctionEvaluationException, OptimizationException, java.lang.IllegalArgumentException
f
- objective functiongoalType
- type of optimization goal: either GoalType.MAXIMIZE
or GoalType.MINIMIZE
startPoint
- the start point for optimizationFunctionEvaluationException
- if the objective function throws one during
the searchOptimizationException
- if the algorithm failed to convergejava.lang.IllegalArgumentException
- if the start point dimension is wrongCopyright © 2010 - 2020 Adobe. All Rights Reserved