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Re: complex arithmetic [message #1921 is a reply to message #1920]

Wed, 06 April 1994 06:23

jjp
Messages: 2
Registered: February 1994

Junior Member

In article <2ntm1pINN1ko@i32.sma.ch>, stl@sma.ch (Stephen Strebel) writes:
|> In article <1994Apr5.123735.8305@news.uit.no> royd@zapffe.mat-stat.uit.no (Roy Einar Dragseth) writes:
|> >Why isn't this supported:
|> >IDL> x = complex(0.,1.)
|> >IDL> print, x^(1./3.)
|> >% Operation illegal with complex type.
|> >% Execution halted at $MAIN$ .
|> >
[snip]

This works:

function cpower, z, p
; raise a complex number z to a power p
return,exp(p*alog(z))
end

Hope this helps.

__

Jim Pekar jp2d@nih.gov Disclaimer: Speaking only for myself.
"A good public library has something to offend everyone."

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[Message index]

		Re: complex arithmetic By: isaacman on Wed, 06 April 1994 08:37
		Re: complex arithmetic By: salchegg on Wed, 06 April 1994 07:36
		Re: complex arithmetic By: thompson on Wed, 06 April 1994 07:23
		Re: complex arithmetic By: jjp on Wed, 06 April 1994 06:23
		Re: complex arithmetic By: landers on Wed, 06 April 1994 06:17
		Re: complex arithmetic By: stl on Tue, 05 April 1994 23:49

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