Re: Manifesto against Vector
From: Georg Bauhaus (sb463ba_at_l1-hrz.uni-duisburg.de)
Date: 05/05/04
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Date: Wed, 5 May 2004 09:24:58 +0000 (UTC)
Xenos <dont.spam.me@spamhate.com> wrote:
:
: "Marius Amado Alves" <amado.alves@netcabo.pt> wrote in message
: news:mailman.68.1083695056.313.comp.lang.ada@ada-france.org...
:> used. Well, this argument is simply false. I my 20+ years of programming
:> languages "array" is clearly the term mostly used. "Vector" is just an
:> STLism and Java fad. There is additional experience exposed in the
:>
:
: Oh is it? You never heard of the language APL or did any DSP programming?
APL: A Programming Language, or Array Programming Language.
A vector in APL is a 1d array of fixed rank and shape.
Likewise a matrix is an array of rank 2.
If I'm not mistaken, arrays in APL cannot be lengthened
or shrunk, even by selective assignment, so the length of each
axis is fixed. (If you want an array of different shape, you make
a new one from the old one.)
The "vectors" in question can have a changing number of components
along their only axis.
-- Georg
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