Re: [Numpy-discussion] matrix multiplication (newbie question)

[Sven S. <sve...@gm...>]

Johannes Loehnert schrieb:
> Hi,
> 
> in extension to the previous answers, I'd like to say that it is strongly 
> preferable to use dot(A,dot(B,C)) or dot(dot(A,B),C) instead of A*B*C.
> 
> The reason is that with dot(), you can control of which operation is performed 
> first, which can *massively* influence the time needed, depending on the 
> involved matrices. A*B*C will always be evaluated left-to-right (if I 
> remember correctly).
> 

Well what about A*(B*C)?