I'm confused by variations of the following program:
use v5.36;
use PDL;
use PDL::NiceSlice;
my $v=sequence(2);
my $m=pdl($v->slice(":,*2"), $v->slice("*2,:"));
say $m;
The output is
[
[
[0 1]
[0 1]
]
[
[0 0]
[1 1]
]
]
which is what I expected. But after a small change:
use v5.36;
use PDL;
use PDL::NiceSlice;
my $v=sequence(2);
my $m=pdl($v->slice(":,*"), $v->slice("*,:"));
say $m;
the output becomes
[
[
[0 1]
[0 0]
]
[
[0 0]
[1 0]
]
]
The same if I replace * by *1. Was I wrong to expect the same output?
I expected the dummy dimension of size 1 (or unspecified size) would
lead to the initial array [0 1] being replicated as many times as
required by the actual dimensions of the other arrays.
Best regards,
Luis
--
o
W. Luis Mochán, | tel:(52)(777)329-1734 /<(*)
Instituto de Ciencias Físicas, UNAM | fax:(52)(777)317-5388 `>/ /\
Av. Universidad s/n CP 62210 | (*)/\/ \
Cuernavaca, Morelos, México | [email protected] /\_/\__/
GPG: 791EB9EB, C949 3F81 6D9B 1191 9A16 C2DF 5F0A C52B 791E B9EB
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