Understand vectorized dot operators

[Nathan_Boyer]

There are some additional answers here you might find useful.

Broadcasting inconsistency between addition and multiplication

There seems to be inconsistency in broadcasting. A = [1 2 ; 3 4] A* 2 # Broadcasting works here A.*2 # Broadcasting same as above A + 2 # Broadcasting fails here. If it works for * then it should work for all operators A .+2 # Broadcasting works