Another alternative would be to use a regular variable instead of $_. Using a variable that depends on context sounds like a great way to ensure confusion.
replace $_[$tc]{value}[$i][$j] with $matrix[$tc]{value}[$i][$j]
Updated to remove liability
In reply to Re^3: can't find mistake. lost in references
by GotToBTru
in thread can't find mistake. lost in references
by rsFalse
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