Enum GARCHFit.GRADIENT
- java.lang.Object
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- java.lang.Enum<GARCHFit.GRADIENT>
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- dev.nm.stat.timeseries.linear.univariate.stationaryprocess.garch.GARCHFit.GRADIENT
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- All Implemented Interfaces:
Serializable
,Comparable<GARCHFit.GRADIENT>
- Enclosing class:
- GARCHFit
public static enum GARCHFit.GRADIENT extends Enum<GARCHFit.GRADIENT>
the available methods to compute the gradient to guild the optimization search
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Enum Constant Summary
Enum Constants Enum Constant Description ANALYTICAL
use the analytical gradient formulae in the references, eqs.NUMERICAL
use the finite difference method
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static GARCHFit.GRADIENT
valueOf(String name)
Returns the enum constant of this type with the specified name.static GARCHFit.GRADIENT[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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ANALYTICAL
public static final GARCHFit.GRADIENT ANALYTICAL
use the analytical gradient formulae in the references, eqs. 19, 21
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NUMERICAL
public static final GARCHFit.GRADIENT NUMERICAL
use the finite difference method
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Method Detail
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values
public static GARCHFit.GRADIENT[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (GARCHFit.GRADIENT c : GARCHFit.GRADIENT.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static GARCHFit.GRADIENT valueOf(String name)
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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