Well, you could view this as a performance bug in the implementation of the linear algebra.
It certainly is, however, an odd interpretation of transpose. I have used a similar trick in r to use sparse matrices as a counter but it always worried me a bit. Sent from my iPhone > On Apr 8, 2014, at 17:49, Dmitriy Lyubimov <[email protected]> wrote: > > Problem is, I want to use linear algebra to handle that, not > combine().
