HessianImplementation

class HessianImplementation(*args)

Numerical math hessian implementation.

See also

Function, GradientImplementation

Notes

This object is the result of the method getHessian of a Function.

Methods

getCallsNumber()	Accessor to the number of times the hessian has been called.
getClassName()	Accessor to the object’s name.
getId()	Accessor to the object’s id.
getInputDimension()	Accessor to the number of the inputs.
getMarginal(*args)	Accessor to the hessian implementation of a specific output.
getName()	Accessor to the object’s name.
getOutputDimension()	Accessor to the number of the outputs.
getParameter()	Accessor to the parameter values.
getShadowedId()	Accessor to the object’s shadowed id.
getVisibility()	Accessor to the object’s visibility state.
hasName()	Test if the object is named.
hasVisibleName()	Test if the object has a distinguishable name.
hessian(inP)	Return the Jacobian transposed matrix of the implementation at a point.
isActualImplementation()	Accessor to the validity flag.
setName(name)	Accessor to the object’s name.
setParameter(parameter)	Accessor to the parameter values.
setShadowedId(id)	Accessor to the object’s shadowed id.
setVisibility(visible)	Accessor to the object’s visibility state.

__init__(*args)

Initialize self. See help(type(self)) for accurate signature.

getCallsNumber()

Accessor to the number of times the hessian has been called.

Returns

calls_numberint

Integer that counts the number of times the hessian has been called since its creation.

getClassName()

Accessor to the object’s name.

Returns

class_namestr

The object class name (object.__class__.__name__).

getId()

Accessor to the object’s id.

Returns

idint

Internal unique identifier.

getInputDimension()

Accessor to the number of the inputs.

Returns

number_inputsint

Number of inputs.

getMarginal(*args)

Accessor to the hessian implementation of a specific output.

Parameters

iinteger

Integer corresponding to the output (Care: it starts at 0).

indicessequence of integer

The set of indices for which the outputs are extracted.

Returns

hessianImplementationHessianImplementation

A hessian implementation restricted to its compenents functions which indices are i or indices.

getName()

Accessor to the object’s name.

Returns

namestr

The name of the object.

getOutputDimension()

Accessor to the number of the outputs.

Returns

number_outputsint

Number of outputs.

getParameter()

Accessor to the parameter values.

Returns

parameterPoint

The parameter values.

getShadowedId()

Accessor to the object’s shadowed id.

Returns

idint

Internal unique identifier.

getVisibility()

Accessor to the object’s visibility state.

Returns

visiblebool

Visibility flag.

hasName()

Test if the object is named.

Returns

hasNamebool

True if the name is not empty.

hasVisibleName()

Test if the object has a distinguishable name.

Returns

hasVisibleNamebool

True if the name is not empty and not the default one.

hessian(inP)

Return the Jacobian transposed matrix of the implementation at a point.

Parameters

pointsequence of float

Point where the Jacobian transposed matrix is calculated.

Returns

hessianMatrix

The Jacobian transposed matrix of the function at point.

isActualImplementation()

Accessor to the validity flag.

Returns

is_implbool

Whether the implementation is valid.

setName(name)

Accessor to the object’s name.

Parameters

namestr

The name of the object.

setParameter(parameter)

Accessor to the parameter values.

Parameters

parametersequence of float

The parameter values.

setShadowedId(id)

Accessor to the object’s shadowed id.

Parameters

idint

Internal unique identifier.

setVisibility(visible)

Accessor to the object’s visibility state.

Parameters

visiblebool

Visibility flag.