Abstract: Motivated by a superfluous zero extraction problem arising in the discrete-time J-spectral factorization of polynomial matrices, we propose an algorithmic solution to hyperbolic QR ...

A distributed-memory parallel implementation of the sparsified QR factorization algorithm using the TaskTorrent runtime system. This repository provides efficient QR factorization for large sparse ...

This app uses high precision arithmetic in software to implement a QR factorization of a complex matrix. The high precision arithmetic software library is from: http ...