Author here: yeah the end result is that you wouldn’t actually want to do it in practice. Who wants to build a load of linear algebra into GHC, after all? But i

Author here: yeah the end result is that you wouldn’t actually want to do it in practice. Who wants to build a load of linear algebra into GHC, after all? But it was pleasing to show that you could make the algorithm subcubic if you really wanted. to.