nifty8.operators.value_inserter module

class ValueInserter(target, index)

Bases: LinearOperator

Inserts one value into a field which is zero otherwise.

Parameters:

• target (Domain, tuple of Domain or DomainTuple)

• index (iterable of int) – The index of the target into which the value of the domain shall be inserted.

__init__(target, index)

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