Not sure if this matter was resolved on a previous discussion, but
here goes ...
I would like to have a simple way to combine 2 array where every
element of each array is combined with every element of the other
array; this can also chain or scale to handle any number of arrays.
For now lets
If PDL-like threading syntax is adopted, this is trivial. In PDL:
$a = pdl(1,2);
$b = pdl(3,4);
$c = $a-(*1) * $b;
print $c;
yields the output:
[
[3 4]
[6 8]
]
The '(*1)' inserts a dummy dimension into $a, making it a 1x2-array
rather than a 2-array. Then
On 10/28/05, Darren Duncan [EMAIL PROTECTED] wrote:
One thing I would like to be able to do is this:
@baz = cross([1,2],[3,4]); # yields ([1,3],[1,4],[2,3],[2,4])
And alternately, this:
for cross([1,2],[3,4]) - $foo,$bar { ... } # loop has 4 iterations
I already proposed this in this
On Thu, 27 Oct 2005, Darren Duncan wrote:
Not sure if this matter was resolved on a previous discussion, but here goes
Definitely is has been discussed at least once, that I know, for I asked
this myself, but from a somewhat more mathematical pov. You can find a
copy of my mail here:
