[Numpy-discussion] users point of view and ufuncs
robert.kern at gmail.com
Fri Aug 25 13:02:10 CDT 2006
Charles R Harris wrote:
> Matrix rank has nothing to do with numpy rank. Numpy rank is simply the
> number of indices required to address an element of an ndarray. I always
> thought a better name for the Numpy rank would be dimensionality, but
> like everything else one gets used to the numpy jargon, it only needs to
> be defined someplace for what it is.
"numpy rank" derives from "tensor rank" rather than "matrix rank". It's not
*wrong*, but as with many things in mathematics, the term is overloaded and can
be confusing. "dimensionality" is no better. A "three-dimensional array" might
be [1, 2, 3], not [[]].
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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