ott.geometry.regularizers.SqL2

class ott.geometry.regularizers.SqL2(A=None, **kwargs)

Squared L2-norm regularizer \(\ell_2^2\).

Parameters:

• A (Union[Array, AbstractLinearOperator, None]) – Linear operator \(A\) in \(\frac{1}{2} \left<x, A^TAx\right>\). If None, use identity.

• kwargs (Any) – Keyword arguments for Quadratic.

Methods

moreau_envelope(x[, tau])	Moreau Envelope.
prox(v[, tau])	Proximal operator.
prox_dual(v[, tau])	Proximal operator of the convex conjugate.