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Re: [O] Complex numbers


From: Renier Marchand
Subject: Re: [O] Complex numbers
Date: Wed, 13 Apr 2011 08:37:48 +0200

Hi Eric

Thank you, that clarifies it quite a bit. Forgot about the lispyness
of the numbers in brackets.

Renier

On Wed, Apr 13, 2011 at 5:52 AM, Eric Schulte <address@hidden> wrote:
> Hi Renier,
>
> The Org-mode table machinery is interpreting the values of your table
> cells as emacs lisp (given that the table formula is an elisp, rather
> than a calc formula).  Due to the "," the result is a weird nested list
> which confuses your python code block.  Some options here include...
>
> 1. wrapping these cells in quotes so that they are passed to the python
>   block as strings...
>
>   #+source: parameter-variation(data=0)
>   #+begin_src python :result values
>     return 'text'
>   #+end_src
>
>   |---------------------------------------|
>   | "(0.0331901438056,0.000535222885197)" |
>   | "(0.0333434157791,0.000537930174356)" |
>   | "(0.0345727512157,0.000559346040457)" |
>   | "(0.0353146483908,0.000571501584524)" |
>   | "(0.0355522909393,0.000574387067408)" |
>   | "(0.0356575682336,0.000574851263615)" |
>   | "(0.0357806926897,0.000575051685084)" |
>   |---------------------------------------|
>   | text                                  |
>   #+TBLFM: @8$1='(sbe parameter-variation (nums @address@hidden))
>
> 2. referencing the table from an external code block, rather than inside
>   of a table formula.  This is probably the easier solution, but it
>   doesn't insert the result into your table, unless you do something
>   tricky like give the code block and the table the same name so that
>   the results of the code block replace the table...
>
>   #+results: complex-data
>   |-------------------------------------|
>   | (0.0331901438056,0.000535222885197) |
>   | (0.0333434157791,0.000537930174356) |
>   | (0.0345727512157,0.000559346040457) |
>   | (0.0353146483908,0.000571501584524) |
>   | (0.0355522909393,0.000574387067408) |
>   | (0.0356575682336,0.000574851263615) |
>   | (0.0357806926897,0.000575051685084) |
>   #+TBLFM: @8$1='(sbe parameter-variation (nums @address@hidden))
>
>   #+begin_src python :var data=complex-data
>     return data
>   #+end_src
>
> Hope this helps -- Eric
>
> Renier Marchand <address@hidden> writes:
>
>> Hi.
>>
>> I have been playing around with complex data that has been returned
>> from Python. This is obviously not in calc.el format but if I change
>> them to the correct format I can manipulate them using calc.
>>
>> but
>>
>> When I want to pass the complex numbers (python format) to python I
>> get an error. If I pass real number everything works as expected
>>
>> For example:
>>
>>       #+source: parameter-variation(data=0)
>>       #+begin_src python :result values
>>         return 'text'
>>       #+end_src
>>
>>
>>       |   |  hmin |                                     |
>>       |---+-------+-------------------------------------|
>>       |   |       |                                     |
>>       |   |  0.05 | (0.0331901438056,0.000535222885197) |
>>       |   |   0.1 | (0.0333434157791,0.000537930174356) |
>>       |   |   0.3 | (0.0345727512157,0.000559346040457) |
>>       |   |   0.6 | (0.0353146483908,0.000571501584524) |
>>       |   |   0.9 | (0.0355522909393,0.000574387067408) |
>>       |   |   1.2 | (0.0356575682336,0.000574851263615) |
>>       |   |  10.0 | (0.0357806926897,0.000575051685084) |
>>       | $ | x=0.1 | y=0.1                               |
>>       |   |  text |                                     |
>>       #+TBLFM: @11$2='(sbe "parameter-variation" (data
>> @address@hidden))::@11$3='(sbe "parameter-variation" (data @address@hidden))
>>
>> i.e. I get the word 'text' returned for column 2 where there are real
>> numbers but I don't get anything returned where there are complex
>> numbers. As you can see, there are no actual calculation performed on
>> the data I am just returning 'text' so I am expecting it to work in
>> both instances.
>>
>> The debug sessions show the following for the real column:
>>
>> Substitution history of formula
>> Orig:   '(sbe "parameter-variation" (data @address@hidden))
>> $xyz->  '(sbe "parameter-variation" (data @address@hidden))
>> @r$c->  '(sbe "parameter-variation" (data #("0.05" 0 4 (fontified t
>> face org-table)) #("0.1" 0 3 (fontified t face org-table)) #("0.3" 0 3
>> (fontified t face org-table)) #("0.6" 0 3 (fontified t face
>> org-table)) #("0.9" 0 3 (fontified t face org-table)) #("1.2" 0 3
>> (fontified t face org-table)) #("10.0" 0 4 (fontified t face
>> org-table))))
>> $1->    '(sbe "parameter-variation" (data #("0.05" 0 4 (fontified t
>> face org-table)) #("0.1" 0 3 (fontified t face org-table)) #("0.3" 0 3
>> (fontified t face org-table)) #("0.6" 0 3 (fontified t face
>> org-table)) #("0.9" 0 3 (fontified t face org-table)) #("1.2" 0 3
>> (fontified t face org-table)) #("10.0" 0 4 (fontified t face
>> org-table))))
>> Result: text
>> Format: NONE
>> Final:  text
>>
>> and for the complex column:
>>
>> Substitution history of formula
>> Orig:   '(sbe "parameter-variation" (data @address@hidden))
>> $xyz->  '(sbe "parameter-variation" (data @address@hidden))
>> @r$c->  '(sbe "parameter-variation" (data
>> #("(0.0331901438056,0.000535222885197)" 0 35 (fontified t face
>> org-table)) #("(0.0333434157791,0.000537930174356)" 0 35 (fontified t
>> face org-table)) #("(0.0345727512157,0.000559346040457)" 0 35
>> (fontified t face org-table)) #("(0.0353146483908,0.000571501584524)"
>> 0 35 (fontified t face org-table))
>> #("(0.0355522909393,0.000574387067408)" 0 35 (fontified t face
>> org-table)) #("(0.0356575682336,0.000574851263615)" 0 35 (fontified t
>> face org-table)) #("(0.0357806926897,0.000575051685084)" 0 35
>> (fontified t face org-table))))
>> $1->    '(sbe "parameter-variation" (data
>> #("(0.0331901438056,0.000535222885197)" 0 35 (fontified t face
>> org-table)) #("(0.0333434157791,0.000537930174356)" 0 35 (fontified t
>> face org-table)) #("(0.0345727512157,0.000559346040457)" 0 35
>> (fontified t face org-table)) #("(0.0353146483908,0.000571501584524)"
>> 0 35 (fontified t face org-table))
>> #("(0.0355522909393,0.000574387067408)" 0 35 (fontified t face
>> org-table)) #("(0.0356575682336,0.000574851263615)" 0 35 (fontified t
>> face org-table)) #("(0.0357806926897,0.000575051685084)" 0 35
>> (fontified t face org-table))))
>> Result:
>> Format: NONE
>> Final:
>>
>>
>> Thank you very much for your help.
>>
>> Renier
>>
>>
>
> --
> Eric Schulte
> http://cs.unm.edu/~eschulte/
>



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