mul() is not classical matrix multiplication (#6)
mul() is not classical matrix multiplication (#6)

* mul() is not classical matrix multiplication

Explain in the docs that mul() is not classical matrix multiplication. It points the user to prod() method for that. Also explains that differing matrix sizes will produce NaN results.

* Changed Nota Bene to Note

* Update README.md

* Update README.md
raghavgujjar/matrix