in reply to A Matrix of Arrays

I think you're problem is that you're overinitilizing. Perl is very good at autovivification; let it do it.

my @table;

foreach (0..Inf) {
 $table[$row][$col]=[qw(some list elements)];
}

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We are using here a powerful strategy of synthesis: wishful thinking. -- The Wizard Book

In Section Seekers of Perl Wisdom