Small bug fixes in matrix multiplication
Small bug fixes in matrix multiplication

smarden1/jstat,ggonzale/jstat,jstat/jstat,JeebsM/jstat,smarden1/jstat,JeebsM/jstat,akrawitz/jstat,NorthDecoder/jstat,ggonzale/jstat,akrawitz/jstat,cmpolis/jstat,jamescgibson/jstat,jstat/jstat,NorthDecoder/jstat