sigpy.prox.Conj

class sigpy.prox.Conj(prox)

Returns the proximal operator for the convex conjugate function.

The proximal operator of the convex conjugate function \(g^*\) is defined as:

\[\text{prox}_{\alpha g^*} (x) = x - \alpha \text{prox}_{\frac{1}{\alpha} g} (\frac{1}{\alpha} x)\]

__init__(prox)

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

Methods

__init__(prox)

Initialize self.