“The Matrix Resurrections,” a Warner Bros. release, is rated R by the Motion Picture Association of America for violence and some language. Running time: 148 minutes.

Today's languages were each designed with different goals in mind. Matlab was built for matrix calculations, and it's great at linear algebra. The R language is meant for statistics.

New research paper titled “Exocompilation for productive programming of hardware accelerators,” from researchers at MIT and UC Berkeley. From their abstract: “To better support development of ...

We analyze two popular semidefinite programming relaxations for quadratically constrained quadratic programs with matrix variables. These relaxations are based on vector lifting and on matrix lifting; ...