freealg.distributions.DeformedMarchenkoPastur.stieltjes

DeformedMarchenkoPastur.stieltjes(z, max_iter=100, tol=1e-12)

Stieltjes transform

Physical/Herglotz branch of m(z) for \(\mu = H \boxtimes \mathrm{MP}_c\) with \(H = \sum_i w_i \delta_{t_i}\). Fast masked Newton in u (companion Stieltjes), keeping z’s original shape.