You can loop thru your array or map the array, and perform whatever math you want on each element. But if you are talking about math operations on the ENTIRE array, you are looking at vector math. See
PDL, it's piddles are arrays which can have math done on the entire array in one step. See
PDL homepage and
The PDL Newbook tutorial
But here is a simple map usage:
#!/usr/bin/perl
use strict;
use warnings;
my @array = ( 1..10 );
print "@array\n";
my @mult = map { $_ * 2 } @array;
print "@mult\n";
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