[Numpy-discussion] still no cross product for new array type

Nadav Horesh nadavh at visionsense.com
Fri Aug 12 08:32:28 CDT 2005


Usually this is within the scope of higher level packages such as ScientificPython.

  Nadav

-----Original Message-----
From:	numpy-discussion-admin at lists.sourceforge.net on behalf of Gary Ruben
Sent:	Fri 12-Aug-05 14:44
To:	numpy-discussion at lists.sourceforge.net
Cc:	
Subject:	[Numpy-discussion] still no cross product for new array type
Just browsing through the new array PEP to see if there's support for 
3-vector operations, such as cross product, norm, length functions. 
Sadly I don't see any. It's something I think is lacking from Numeric 
and numarray and would like to see implemented. Is it a deliberate 
choice not to include any? I understand that vectors are sufficiently 
different animals that you could argue that they shouldn't be supported. 
I use them enough to think that they should be.

Gary Ruben


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