priors.L2

class bartorch.priors.L2

Bases: Regularizer

Squared \(\ell_2\) norm of the image (BART’s Q).

\(\tfrac{\lambda}{2} \| x \|_2^2\): Tikhonov regularization as a proximal term. CG takes the same weight as lambda_.

Parameters:

weight (float) – \(\lambda\).

Also has the methods and properties of Regularizer.