[Numpy-discussion] still no cross product for new array type
gruben at bigpond.net.au
Fri Aug 12 17:45:31 EDT 2005
"Usually" means that that's where they are now, because they haven't
been implemented in numpy. Comparing with Matlab/IDL where their status
is slightly greater so as to earn operations of their own, I wonder why
equivalent status isn't afforded them in numpy.
Nadav Horesh wrote:
> Usually this is within the scope of higher level packages such as ScientificPython.
> -----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
> 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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