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Re: Divide By Zero error [message #27966 is a reply to message #27902]

Mon, 12 November 2001 08:52

Stein Vidar Hagfors H[1] is currently offline

Stein Vidar Hagfors H[1]
Messages: 56
Registered: February 2000

Member

Nigel Wade <nmw@ion.le.ac.uk> writes:

> Paul Manusiu wrote:
>
>> What is the log of zero ??
>>
>> Logan Lindquist wrote:
>>
>> What is this NaN
>>> business and why am I getting Infinity?
>
> Also, what is the log of a negative number?
>
> --
> -----------------------------------------------------------
> Nigel Wade, System Administrator, Space Plasma Physics Group

Hey, someone else in the Space Plasma Physics dept might tell you
that alog(-1) should return complex(0,+/-!PI) !

e^(-i pi) + 1 = 0

And therein lies a lot!

--
------------------------------------------------------------ --------------
Stein Vidar Hagfors Haugan
ESA SOHO SOC/European Space Agency Science Operations Coordinator for SOHO

NASA Goddard Space Flight Center, Email: shaugan@esa.nascom.nasa.gov
Mail Code 682.3, Bld. 26, Room G-1, Tel.: 1-301-286-9028/240-354-6066
Greenbelt, Maryland 20771, USA. Fax: 1-301-286-0264
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[Message index]

		Re: Divide By Zero error By: Logan Lindquist on Sat, 10 November 2001 14:10
		Re: Divide By Zero error By: Logan Lindquist on Sat, 10 November 2001 14:06
		Re: Divide By Zero error By: Craig Markwardt on Fri, 09 November 2001 14:59
		Re: Divide By Zero error By: Logan Lindquist on Thu, 08 November 2001 07:37
		Re: Divide By Zero error By: Logan Lindquist on Wed, 07 November 2001 13:25
		Re: Divide By Zero error By: Nigel Wade on Fri, 09 November 2001 01:34
		Re: Divide By Zero error By: Stein Vidar Hagfors H[1] on Mon, 12 November 2001 08:52
		Re: Divide By Zero error By: Paul Manusiu on Thu, 08 November 2001 21:24
		Re: Divide By Zero error By: Paul Manusiu on Tue, 13 November 2001 17:57

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