clc;
close all;
clearvars;

rng default;
A = mat_selector();
k = 30;
propack_lanbdpro(A, k);

indigits
github-repos/MATLAB/indigits-sparse-plex/sparse-plex-43cae2978f62938d001baaa03308a2a717ee6c9b/examples/linear_algebra/svd/lanczos/ex_bdpro_propack.m
sparse-plex
github-repos/MATLAB/indigits-sparse-plex
43cae2978f62938d001baaa03308a2a717ee6c9b