Make A,B,… matrices instead of arrays, so instead

A = array((…..))

Write

A = matrix((….))

 

Assuming you had

From numpy import *

 

  Nadav

 


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of izak marais
Sent: Wednesday, November 08, 2006 15:54
To: numpy-discussion@lists.sourceforge.net
Subject: [Numpy-discussion] matrix multiplication (newbie question)

 

Hi

Sorry if this is an obvious question, but what is the easiest way to multiply matrices in numpy? Suppose I want to do A=B*C*D. The ' * ' operator apparently does element wise multiplication, as does the 'multiply' ufunc. All I could find was the numeric function 'matrix_multiply, but this only takes two arguments.

Thanks in advance!
Izak

 


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