my @product=matrix_multiply(@matrix1,@matrix2); should be my @product=matrix_multiply(\@matrix1,\@matrix2);

Also, your comparisons are should use < instead of le. And matrix_multiply should doesn't return an array, but an array ref.

Caution: Contents may have been coded under pressure.

In reply to Re: Matrix Multiplication Problem by Roy Johnson
in thread Matrix Multiplication Problem by RolandGunslinger

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