in reply to Re^2: Calculate log of matrix values
in thread Calculate log of matrix values
This does not do what you think it does, but it is at least close. You are really only doing if ($matrix[$i][$j] =~ /[^0.]/){ IE: does the string have at least one character that is not a literal '0' or a '.'
See: Bracketed Character Classes
Why not make the test if ($matrix[$i][$j] > 0)? That's much simpler and faster, and will not fail on "-0.00 " or " 0.00" or regular negative numbers.
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Re^4: Calculate log of matrix values
by madM (Beadle) on Aug 10, 2013 at 10:33 UTC |