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- From: brock@NeXTwork.Rose-Hulman.Edu (Bradley W. Brock)
- Newsgroups: sci.math
- Subject: Re: help me take a derivative of this complex function
- Date: 17 Nov 1992 19:13:06 GMT
- Organization: Computer Science Department at Rose-Hulman
- Lines: 16
- Distribution: usa
- Message-ID: <1ebg82INN3vj@master.cs.rose-hulman.edu>
- References: <1992Nov17.124151.17533@husc3.harvard.edu>
- Reply-To: brock@NeXTwork.Rose-Hulman.Edu (Bradley W. Brock)
- NNTP-Posting-Host: g210b-1.nextwork.rose-hulman.edu
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- In article <1992Nov17.124151.17533@husc3.harvard.edu> mlevin@husc8.harvard.edu
- (Michael Levin) writes:
- Here it is:
- > f(c) for a complex c, is equal to c', where the real part of c' is
- > equal to the imaginary part of c, and vice versa. In other words, f()
- > simply switches the real and imaginary parts of the variable it's
- > applied to. so, what would be f'()?
-
- The problem is that this is not an analytic function so the derivative does not
- exist. The partial derivative in the real direction is i, but the partial
- derivative in the imaginary direction is -i.
-
- --
- Bradley W. Brock, Department of Mathematics
- Rose-Hulman Institute of Technology | "Resist not evil.... Love your
- brock@nextwork.rose-hulman.edu | enemies."--Jesus of Nazareth
-