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From: Uwe Brauer <oub@mat.ucm.es>
To: emacs-orgmode@gnu.org
Subject: Re: table: problem with nan and if
Date: Tue, 22 Jun 2021 08:38:28 +0200	[thread overview]
Message-ID: <8735taieu3.fsf@mat.ucm.es> (raw)
In-Reply-To: 87o8byltcl.fsf@gmail.com

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> Uwe Brauer <oub@mat.ucm.es> writes:

> I'm not very familiar with calc, but am wondering if the issue is the
> 'nan'. In many languages, a nan is a 'polluting' variable i.e. once you
> have a nan as a form anywhere in your calculation, the result will
> always be a nan. Many languages actually have a special function to test
> for a nan because it isn't actually a 'value'. Don't know if this is the
> case with calc. 

Yeah, when I googled, I found complains about nan using in calc but I
did not really found an working alternative.

> Perhaps an alternative strategy might help. Could you address what is
> generating the nan and change that so that it generates something else,
> possibly even a blank string and avoid the nan altogether? 

I tried nil and other expressions but non really worked, so maybe a calc
guru could clarify?


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  reply	other threads:[~2021-06-22  6:39 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21 15:05 table: problem with nan and if Uwe Brauer
2021-06-21 16:28 ` Eric S Fraga
2021-06-21 18:58   ` Uwe Brauer
2021-06-22  7:44     ` Eric S Fraga
2021-06-22  7:51       ` tbanelwebmin
2021-06-22  9:03         ` Uwe Brauer
2021-06-22  8:55       ` Uwe Brauer
2021-06-21 22:26 ` Tim Cross
2021-06-22  6:38   ` Uwe Brauer [this message]
2021-06-22 18:35     ` Nick Dokos
2021-06-23  8:26       ` Uwe Brauer

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