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- Newsgroups: sci.math.symbolic
- Path: sparky!uunet!boulder!ucsu!spot.Colorado.EDU!fast
- From: fast@spot.Colorado.EDU (FAST BRUCE ALAN)
- Subject: Complex symbols -- zConj[z] =? x^2+y^2
- Message-ID: <1992Aug12.160452.9653@ucsu.Colorado.EDU>
- Summary: be sure this is what you want
- Sender: news@ucsu.Colorado.EDU (USENET News System)
- Nntp-Posting-Host: spot.colorado.edu
- Organization: University of Colorado, Boulder
- Distribution: usa
- Date: Wed, 12 Aug 1992 16:04:52 GMT
- Lines: 11
-
- bhattas@athena.mit.edu asks about using complex symbols:
- > I have been trying to manipulate complex symbols...
- > ^^^^^^^
- > ...if we do z=x + I y and then compute z*Conjugate[z], mathematica,
- > instead of giving the desired answer x^2 + y^2, outputs something like
- > (I x + y)*Conjugate(I x + y)....
-
- It isn't clear to me that we all understand that (x^2+y^2)
- is NOT the desired answer (and Conjugate[z] does NOT equal (x - I y))
- unless x and y both happen to be real, not imaginary or complex.
- Those who are thus aware, please ignore! :-)
-