From: Nick Dokos <nicholas.dokos@hp.com>
To: andersvi@notam02.no
Cc: nicholas.dokos@hp.com, emacs-orgmode@gnu.org
Subject: Re: column formulas: Row descriptor -1 used in line ### leads outside table
Date: Thu, 04 Aug 2011 14:41:00 -0400 [thread overview]
Message-ID: <16318.1312483260@alphaville.dokosmarshall.org> (raw)
In-Reply-To: Message from andersvi@notam02.no of "Thu, 04 Aug 2011 20:24:58 +0200." <87wrett4p1.fsf@notam02.no>
andersvi@notam02.no wrote:
> Anyone have suggestions about how i can have a column-formula refer to
> value in previous row, but ignore the row before the first line?
>
> Something like this:
>
> | 1 | 4 | |
> | 2 | 7 | |
> | 3 | 1 | |
> #+TBLFM: $2=random(10)::$3=(@-1$2)-$2
>
> Evaluating this returns an error:
>
> "Row descriptor -1 used in line 547 leads outside table"
>
> I tried using a lisp-expression to dispatch on the row-number, but it
> doesnt seem to consider 'if as a special-form, trying to evaluate its
> last argument anyhow.
>
> | 1 | 2 | |
> | 2 | 6 | |
> | 3 | 2 | |
> #+TBLFM: $2=random(10)::$3='(if (< @# 3) 0 (- @-1$2 $2))
>
> but get the same error.
>
Set the cell in the first line explicitly with a field formula (or just
a value): it overrides the column formula. Something like this:
#+TBLFM: $2=random(10)::$3=(@-1$2)-$2::@1$3 = 0
Nick
next prev parent reply other threads:[~2011-08-04 18:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-04 18:24 column formulas: Row descriptor -1 used in line ### leads outside table andersvi
2011-08-04 18:41 ` Nick Dokos [this message]
2011-08-04 19:41 ` andersvi
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