Dan Davison <davison <at> stats.ox.ac.uk> writes:
>
> Hi Juan and d.tchin,
>
> One thing I'd like to ask for advice about is the behaviour of tabular
> data structures containing strings. For example
>
> #+begin_src octave
> ans = [['a','b'];['c','d']]
> #+end_src
>
> #+results:
> : acbd
>
> I don't know if my syntax above is correct, but it seems to me that this
> is a 2x2 table of some sort and so it would seem natural to me for that
> to return
>
> | a | b |
> | c | d |
>
> however, if you look at the code we are using below, you'll see that
> ischar() returns 1 for this object and so it gets written as a
> string. Can you suggest how we should alter the octave/matlab code
> below? Or perhaps people don't use tabular data structures containing
> strings in these languages?
>
> if ischar(ans), fid = fopen('%s', 'w'); fprintf(fid, '%%s\\n', ans); fclose
(fid);
> else, dlmwrite('%s', ans, '\\t')
> end"
>
> Dan
>
I use typeinfo defined in Octave to see what kind of object Octave would
consider as output. You can see that [["a',"b"];["c","d"]] is considered
as string and not a matrix. And the output in Octave is
ans =
ab
cd
See tests below done with character and number. Hope that can help.
--8<---------------cut here---------------start------------->8---
* Output typeinfo
** Character
#+begin_src octave
typeinfo("a")
#+end_src
#+results:
: string
#+begin_src octave
["c","d"]
#+end_src
#+results:
: cd
#+begin_src octave
[["a","b"];["c","d"]]
#+end_src
#+results:
: acbd
#+begin_src octave
typeinfo([["a","b"];["c","d"]])
#+end_src
#+results:
: string
** Number
#+begin_src octave
typeinfo(1)
#+end_src
#+results:
: scalar
#+begin_src octave
[1,2]
#+end_src
#+results:
: 1.00000000e+000 2.00000000e+000
#+begin_src octave
typeinfo([1,2])
#+end_src
#+results:
: matrix
#+begin_src octave
([[1,2];[3,4]])
#+end_src
#+results:
: 1.00000000e+000 2.00000000e+000
: 3.00000000e+000 4.00000000e+000
#+begin_src octave
typeinfo([[1,2];[3,4]])
#+end_src
#+results:
: matrix
--8<---------------cut here---------------end--------------->8---
_______________________________________________
Emacs-orgmode mailing list
Please use `Reply All' to send replies to the list.
[email protected]
http://lists.gnu.org/mailman/listinfo/emacs-orgmode
