> I just lost two hours of my life to reverse-engineering it. I wouldn't call that "lost", myself. Good job. :-) There is also Strassen's algorithm for matrix

> I just lost two hours of my life to reverse-engineering it. I wouldn't call that "lost", myself. Good job. :-) There is also Strassen's algorithm for matrix multiplication. Something to keep in mind if you ever need to multiply really gigantic matrices. https://en.wikipedia.org/wiki/Strassen_algorithm https://en.wikipedia.org/wiki/Strassen_algorithm