Success in business appears to be elusive for many people. So what is it
that makes people successful?
http://www.bestentrepreneur.net/2008/02/want-to-know-billionaires-formula.html
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Go
Le dimanche 14 septembre 2008 à 18:01 +0100, Robin a écrit :
> Hi,
>
> I am trying to compute the following (with summation convention):
>
> A_{ij} B_{jm} x_{j}
>
> where A and B are non-square arrays (in fact B=A^T) and x is a vector.
> I'm actually not sure if it's valid to have 3 summation in
Not a supper efficient solution, but mat sill may work:
dot(A, B*x[:,None])
or
dot(A*x, B)
Nadav
-הודעה מקורית-
מאת: [EMAIL PROTECTED] בשם Robin
נשלח: א 14-ספטמבר-08 20:01
אל: Discussion of Numerical Python
נושא: [Numpy-discussion] funny matrix product calculation
Hi,
I am trying
Hi,
I am trying to compute the following (with summation convention):
A_{ij} B_{jm} x_{j}
where A and B are non-square arrays (in fact B=A^T) and x is a vector.
I'm actually not sure if it's valid to have 3 summation indices as
above - but I'm pretty sure that's what I want... So it's kind of
ma
