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| I am having some difficulty when dealing with complex number using mathematica function Abs. I am trying to use Abs[1+ I w] to get Abs[1+ I w]=Sqrt[1+ w^2]. But, it seems that I can't do it in a straight forward way. That is ... |
| thanks for the suggested solution. It has now been fixed. |
| Thanks for your reply. Really appreciate it. I use ver 8.0.4.0. windows 7. Obviously, there might be a little unexpected behaviour here with Ver. 8. I don't know what to do. I am currently thinking about upgrading to the latest version. |