Enum NonLinearConjugateGradientOptimizer.Formula
java.lang.Object
java.lang.Enum<NonLinearConjugateGradientOptimizer.Formula>
org.hipparchus.optim.nonlinear.scalar.gradient.NonLinearConjugateGradientOptimizer.Formula
- All Implemented Interfaces:
Serializable
,Comparable<NonLinearConjugateGradientOptimizer.Formula>
,java.lang.constant.Constable
- Enclosing class:
- NonLinearConjugateGradientOptimizer
public static enum NonLinearConjugateGradientOptimizer.Formula
extends Enum<NonLinearConjugateGradientOptimizer.Formula>
Available choices of update formulas for the updating the parameter
that is used to compute the successive conjugate search directions.
For non-linear conjugate gradients, there are
two formulas:
- Fletcher-Reeves formula
- Polak-Ribière formula
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
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Enum Constant Summary
Enum ConstantDescriptionFletcher-Reeves formula.Polak-Ribière formula. -
Method Summary
Modifier and TypeMethodDescriptionReturns the enum constant of this type with the specified name.values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Details
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FLETCHER_REEVES
Fletcher-Reeves formula. -
POLAK_RIBIERE
Polak-Ribière formula.
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Method Details
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values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is null
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