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java.lang.Objectorg.apache.commons.math3.optim.BaseOptimizer<UnivariatePointValuePair>
org.apache.commons.math3.optim.univariate.UnivariateOptimizer
public abstract class UnivariateOptimizer
Base class for a univariate scalar function optimizer.
Field Summary | |
---|---|
private UnivariateFunction |
function
Objective function. |
private GoalType |
goal
Type of optimization. |
private double |
max
Upper bound. |
private double |
min
Lower bound. |
private double |
start
Initial guess. |
Fields inherited from class org.apache.commons.math3.optim.BaseOptimizer |
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evaluations, iterations |
Constructor Summary | |
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protected |
UnivariateOptimizer(ConvergenceChecker<UnivariatePointValuePair> checker)
|
Method Summary | |
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protected double |
computeObjectiveValue(double x)
Computes the objective function value. |
GoalType |
getGoalType()
|
double |
getMax()
|
double |
getMin()
|
double |
getStartValue()
|
UnivariatePointValuePair |
optimize(OptimizationData... optData)
Stores data and performs the optimization. |
protected void |
parseOptimizationData(OptimizationData... optData)
Scans the list of (required and optional) optimization data that characterize the problem. |
Methods inherited from class org.apache.commons.math3.optim.BaseOptimizer |
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doOptimize, getConvergenceChecker, getEvaluations, getIterations, getMaxEvaluations, getMaxIterations, incrementEvaluationCount, incrementIterationCount |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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private UnivariateFunction function
private GoalType goal
private double start
private double min
private double max
Constructor Detail |
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protected UnivariateOptimizer(ConvergenceChecker<UnivariatePointValuePair> checker)
checker
- Convergence checker.Method Detail |
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public UnivariatePointValuePair optimize(OptimizationData... optData) throws TooManyEvaluationsException
BaseOptimizer.parseOptimizationData(OptimizationData[])
if they need to register
their own options; but then, they must also call
super.parseOptimizationData(optData)
within that method.
optimize
in class BaseOptimizer<UnivariatePointValuePair>
optData
- Optimization data. In addition to those documented in
BaseOptimizer
, this method will register the following data:
TooManyEvaluationsException
- if the maximal number of
evaluations is exceeded.public GoalType getGoalType()
protected void parseOptimizationData(OptimizationData... optData)
parseOptimizationData
in class BaseOptimizer<UnivariatePointValuePair>
optData
- Optimization data.
The following data will be looked for:
public double getStartValue()
public double getMin()
public double getMax()
protected double computeObjectiveValue(double x)
x
- Point at which the objective function must be evaluated.
TooManyEvaluationsException
- if the maximal number of
evaluations is exceeded.
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