LSRN

[jacobwilliams]

LSRN looks very interesting. A parallel iterative least squares solver for strongly over- and under-determined systems. Would have to translate it into Fortran.

Reference: https://web.stanford.edu/group/SOL/software/lsrn/

[jacobwilliams]

Here is also a self-contained python version: https://github.com/wrossmorrow/lsrn/blob/master/lsrn.py