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Re: matrix division [message #60555 is a reply to message #60444]

Thu, 22 May 2008 13:15

Kenneth P. Bowman
Messages: 585
Registered: May 2000

Senior Member

In article <g14hfu$fl3$1@news.ucalgary.ca>,
Jean H <jghasban@DELTHIS.ucalgary.ANDTHIS.ca> wrote:

>>> c = a/(b + replacement_value*(b EQ 0))
>>
>> Yeah, I'm *definitely* writing this down, right now!
>>
>> But, what about floats? :-)
>
>
> c = a/(b + replacement_value*(abs(b) lt epsilon))
>
> Jean

All of these variations are clever, and I can see why you might
want to do this in special circumstances, but usually when I
divide by zero, I want to know about. A floating-point exception
and Inf work for me.

Cheers, Ken

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[Message index]

		matrix division By: adam.ranson on Wed, 21 May 2008 11:29
		Re: matrix division By: Kenneth P. Bowman on Fri, 23 May 2008 13:41
		Re: matrix division By: David Fanning on Fri, 23 May 2008 12:18
		Re: matrix division By: Vince Hradil on Fri, 23 May 2008 11:02
		Re: matrix division By: Jean H. on Fri, 23 May 2008 10:23
		Re: matrix division By: Vince Hradil on Fri, 23 May 2008 10:06
		Re: matrix division By: Jean H. on Fri, 23 May 2008 09:41
		Re: matrix division By: edward.s.meinel@aero. on Fri, 23 May 2008 08:13
		Re: matrix division By: adam.ranson on Fri, 23 May 2008 01:47
		Re: matrix division By: Kenneth P. Bowman on Thu, 22 May 2008 13:15
		Re: matrix division By: Jean H. on Thu, 22 May 2008 12:28
		Re: matrix division By: David Fanning on Thu, 22 May 2008 10:45
		Re: matrix division By: Rich Younger on Thu, 22 May 2008 10:22
		Re: matrix division By: Rich Younger on Thu, 22 May 2008 10:13
		Re: matrix division By: edward.s.meinel@aero. on Thu, 22 May 2008 09:47
		Re: matrix division By: Paul Van Delst[1] on Thu, 22 May 2008 09:19
		Re: matrix division By: David Fanning on Thu, 22 May 2008 08:48

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