nifty8.operators.outer_product_operator module

class OuterProduct(domain, field)

Bases: LinearOperator

Performs the point-wise outer product of two fields.

Parameters:

• domain (DomainTuple, the domain of the input field)

• field (nifty8.field.Field)

• ---------

__init__(domain, field)

apply(x, mode)

Applies the Operator to a given x, in a specified mode.

Parameters:

• x (nifty8.field.Field) – The input Field, defined on the Operator’s domain or target, depending on mode.

• mode (int) –

  • TIMES: normal application

  • ADJOINT_TIMES: adjoint application

  • INVERSE_TIMES: inverse application

  • ADJOINT_INVERSE_TIMES or INVERSE_ADJOINT_TIMES: adjoint inverse application

Returns:

The processed Field defined on the Operator’s target or domain, depending on mode.

Return type:

nifty8.field.Field