ott.geometry.regularizers.SqL2

Contents

ott.geometry.regularizers.SqL2#

class ott.geometry.regularizers.SqL2(A=None, **kwargs)[source]#

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.