_ParametricOperator

class _ParametricOperator

Base class for operators that depend on external parameters, i.e., \(\Ophat_\ell(\qhat,\u;\bfmu) = \Ohat_\ell(\bfmu)\d_\ell(\qhat,\u)\).

Evaluating a _ParametricOpertor at a specific parameter value results in a opinf.operators._base._NonparametricOperator.

Examples

>>> parametric_operator = MyParametricOperator(init_args)
>>> nonparametric_operator = parametric_operator.evaluate(parameter_value)
>>> isinstance(nonparametric_operator, _NonparametricOperator)
True

Child classes:

• opinf.operators._interpolate._InterpolatedOperator

• _AffineOperator (TODO)

Properties

OperatorClass	Nonparametric opinf.operators class that represents this parametric operator evaluated at a particular parameter value.
parameter_dimension	Dimension of the parameters \(\bfmu\) that the operator acts on.
shape	Shape of the operator entries matrix when evaluated at a parameter value.
state_dimension	Dimension of the state \(\qhat\) that the operator acts on.

Methods

apply	Apply the operator to the given state and input at the specified parameter value, \(\Ophat_\ell(\qhat,\u;\bfmu)\).
copy	Return a copy of the operator.
datablock	Return the data matrix block corresponding to the operator.
evaluate	Evaluate the operator at the given parameter value, resulting in a nonparametric operator of type OperatorClass.
galerkin	Get the (Petrov-)Galerkin projection of this operator.
jacobian	Construct the state Jacobian of the operator, \(\ddqhat\Ophat_\ell(\qhat,\u;\bfmu)\).
load	Load a parametric operator from an HDF5 file.
operator_dimension	Number of columns in the operator matrix.
save	Save the operator to an HDF5 file.