my @sum;
for my $row (@aoa) {
   for (@{$aoa[$row]}) {
      $sum[$col] += $_;
   }
}

for (@sum) {
   $_ /= @aoa;
}

[download]

Update: Changed $sum /= @aoa; to $_ /= @aoa;

In reply to Re: Averaging Elements in Array of Array by ikegami
in thread Averaging Elements in Array of Array by neversaint

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