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From: Eric Schulte <schulte.eric@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: [babel] inline call within table formula?
Date: Sun, 10 Jul 2011 09:54:57 -0600	[thread overview]
Message-ID: <87aacmruyc.fsf@gmail.com> (raw)
In-Reply-To: 87wrfs6bro.fsf@ucl.ac.uk

Hi Eric,

The `sbe' macro can be used to evaluate code blocks in table formula.

For Example:

|   1 |
|   2 |
|   3 |
|   4 |
|   5 |
|   6 |
| 3.5 |
#+TBLFM: @7$1='(sbe mean (lst @1..@6))

#+source: mean
#+begin_src emacs-lisp :var lst=()
  (let ((num (car lst)) (nums (cdr lst)))
    (/ (float (+ num (apply #'+ nums))) (1+ (length nums))))
#+end_src

See the documentation string of this macro for more information.

Best -- Eric

Eric S Fraga <e.fraga@ucl.ac.uk> writes:

> Hi,
>
> Quick question: I'd like to use a babel inline call to calculate
> something in a table based on other values in the table.  Is this
> possible?  Probably using elisp directly?  If so, I cannot figure out
> what the magic incantation should be!  I hope somebody can help.
>
> For illustration, I'd like to do something like this:
>
> #+source: f
> #+begin_src octave :var x=[1 3 5]
> sin(x)
> #+end_src
>
> | x1 | x2 | x3 | f                        |
> |----+----+----+--------------------------|
> |  1 |  3 |  5 | Apply call_f($1..$3) here |
>
> Thanks,
> eric

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/

next prev parent reply	other threads:[~2011-07-10 15:56 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-08 15:19 [babel] inline call within table formula? Eric S Fraga
2011-07-10 15:54 ` Eric Schulte [this message]
2011-07-11  8:24   ` Eric S Fraga
2011-07-11  8:48     ` Sebastien Vauban
2011-07-11  9:03       ` Bastien
2011-07-11 10:01         ` Eric S Fraga
2011-07-11 15:23           ` Eric Schulte

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