[PYTHON MATRIX-SIG] default axes
Konrad HINSEN
hinsenk@ere.umontreal.ca
Fri, 16 Aug 1996 05:36:00 -0400
> I really think dot(a,b) should behave _exactly_ like
>
> add.reduce(a*b,axis=-1)
Why?
> Full rank multiplication of two arrays could be written:
>
> dot(a[...,(n-1)*(NewAxis,)],b,axes=-n)
That is a lot too complicated for a frequent operation, especially
considering that n might not be available as a variable or constant,
i.e. it would have to be written as shape(b)[0].
Konrad.
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Konrad Hinsen | E-Mail: hinsenk@ere.umontreal.ca
Departement de chimie | Tel.: +1-514-343-6111 ext. 3953
Universite de Montreal | Fax: +1-514-343-7586
C.P. 6128, succ. Centre-Ville | Deutsch/Esperanto/English/Nederlands/
Montreal (QC) H3C 3J7 | Francais (phase experimentale)
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