From: "Eric Schulte" <schulte.eric@gmail.com>
To: Eric S Fraga <e.fraga@ucl.ac.uk>
Cc: emacs-orgmode@gnu.org, Matthew Oesting <oestingm@me.com>
Subject: Re: Possible Calc support for Org-Babel?
Date: Tue, 01 Mar 2011 10:34:07 -0700 [thread overview]
Message-ID: <87vd024u2q.fsf@gmail.com> (raw)
In-Reply-To: 87oc5wvxbm.fsf@ucl.ac.uk
Eric S Fraga <e.fraga@ucl.ac.uk> writes:
> "Eric Schulte" <schulte.eric@gmail.com> writes:
>
>> Eric S Fraga <e.fraga@ucl.ac.uk> writes:
>
> [...]
>
>>>
>>> Further on this, any suggestions on how to pass a vector variable to
>>> calc using babel? I tried
>>>
>>> #+begin-src org
>>> #+begin_src calc :var y=[1 2 3]
>>> 3 y
>>> #+end_src
>>> #+end_src
>>>
>>> but get an error that says
>>>
>>> : Bad format in variable contents: Expected a number
>>>
>>> I've tried putting the vector in quotes but that doesn't help either.
>>> Is this maybe not possible?
>>>
>>
>> With the newest version of Org-mode, I'm now getting the following
>> output.
>>
>> #+begin_src calc :var y=[1 2 3]
>> 3 y
>> #+end_src
>> #+results:
>> : (3, 6)
>>
>> Does this look correct?
>>
>> Best -- Eric
>
> This does not look correct: assuming my knowledge of calc is correct,
> the result should be the scalar 3 multiplied by each of the vector
> elements. I don't understand how =(3, 6)= can be the output of =3 y=...
>
> The strange thing is that this doesn't work at all for me (with git as
> of a few minutes ago): I still get the error message
>
> : byte-code: Bad format in variable contents: Expected a number
>
> However, if I put the vector in double quotes, it works:
>
> #+begin_src calc :var y="[1 2 3]"
> 3 y
> #+end_src
>
> #+results:
> : [3, 6, 9]
>
> *but* if I subsequently remove the double quotes, it doesn't work and if
> put them back, it no longer works either. I am confused... there's
> like a hysteresis loop in org babel :(
>
> Any suggestions on how to debug this are welcome, of course.
Oh, I just got an even stranger result, with the latest from git...
#+begin_src calc :var y=[1 2 3]
3 y
#+end_src
#+results:
: 3 hline
something is most certainly wrong...
Alright, I've made two changes, first, it is now possible to pass elisp
vectors through to code blocks, e.g.,
#+begin_src emacs-lisp :var data=[1 2 3]
(elt data 1)
#+end_src
#+results:
: 2
Second, I've added a slightly hackey but seemingly necessary
post-processing step to a call to calc-eval in ob-calc to remove quotes
from vectors. This allows vector processing to take place---at least as
far as my limited calc knowledge is concerned. For example;
#+begin_src calc :var y=[1 2 3]
3 y
#+end_src
#+results:
: [3, 6, 9]
Hope this helps -- Cheers -- Eric
next prev parent reply other threads:[~2011-03-01 17:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-03 22:42 Possible Calc support for Org-Babel? Eric S Fraga
2010-11-04 13:24 ` Eric Schulte
2010-11-04 14:13 ` Eric S Fraga
2010-11-04 14:42 ` Sébastien Vauban
2010-11-04 15:33 ` Eric Schulte
2010-11-04 16:02 ` Sébastien Vauban
2010-11-04 16:23 ` Eric Schulte
2011-01-27 0:39 ` Christopher Allan Webber
2011-02-23 4:35 ` Eric Schulte
2011-02-24 10:13 ` Eric S Fraga
2011-02-27 21:32 ` Eric Schulte
2011-02-28 18:16 ` Eric S Fraga
2011-03-01 17:34 ` Eric Schulte [this message]
2011-03-01 20:10 ` Eric S Fraga
2011-03-07 9:16 ` Eric S Fraga
-- strict thread matches above, loose matches on Subject: below --
2011-03-01 20:48 orgmode
2010-10-22 17:17 Matthew Oesting
2010-10-26 18:37 ` Eric Schulte
2010-10-29 6:42 ` Eric Schulte
2010-10-29 7:13 ` Carsten Dominik
2010-10-29 11:14 ` Eric S Fraga
2010-10-29 14:43 ` Eric Schulte
2010-10-29 16:22 ` Eric Schulte
2010-10-29 19:53 ` Eric S Fraga
2010-10-29 20:26 ` Eric Schulte
[not found] ` <87hbg4pooh.fsf@ucl.ac.uk>
[not found] ` <871v7879x5.fsf@gmail.com>
2010-10-30 20:54 ` Eric S Fraga
2010-11-03 20:10 ` Eric Schulte
2010-10-29 11:27 ` Sébastien Vauban
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