# constant_stf_operator¶

Graph.constant_stf_operator(operator)

Create a constant operator.

Parameters

operator (np.ndarray or Tensor) – The operator $$A$$, or a batch of operators. It must have at least two dimensions, and its last two dimensions must be equal.

Returns

The operator $$t\mapsto A$$ (or batch of operators, if you provide a batch of operators).

Return type

Stf(3D)

constant_pwc_operator()

Corresponding operation for Pwcs.

constant_stf()

Create a batch of constant Stfs.

stf_operator()

Create an Stf operator.

Notes

For more information on Stf nodes see the Working with time-dependent functions in Boulder Opal topic.