SimPEG.regularization.PGIsmallness.__call__

PGIsmallness.__call__(m, external_weights=True)

We use a weighted 2-norm objective function

$$r(m)=\frac{1}{2}\Vert \mathbf{W}\mathbf{f}\mathbf{(}\mathbf{m}\mathbf{)}{\Vert }_2^2$$