sigpy.linop.Diag

class sigpy.linop.Diag(linops, oaxis=None, iaxis=None)

Diagonally stack linear operators.

Create a Linop that splits input, applies linops independently, and concatenates outputs. In matrix form, given matrices {A1, …, An}, returns diag([A1, …, An]).

Parameters:

• linops (list of Linops) – list of linops with the same input and output shape.
• iaxis (int or None) – If None, inputs are vectorized and concatenated.
• oaxis (int or None) – If None, outputs are vectorized and concatenated.

__init__(linops, oaxis=None, iaxis=None)

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

Methods

__init__(linops[, oaxis, iaxis])	Initialize self.
apply(input)	Apply linear operation on input.

Attributes

H	Return adjoint linear operator.
N	Return normal linear operator.