From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Schmitt <alan.schmitt@polytechnique.org>
Subject: Re: org-babel pass data between blocks
Date: Mon, 28 Apr 2014 15:07:29 +0200
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References: <9F2375C3-005C-49EF-8E74-A3B2E5DB713B@gmail.com>
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In-Reply-To: <9F2375C3-005C-49EF-8E74-A3B2E5DB713B@gmail.com> (Marvin Doyley's
	message of "Mon, 28 Apr 2014 08:41:39 -0400")
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To: Marvin Doyley <marvinpas@gmail.com>
Cc: emacs-orgmode@gnu.org

On 2014-04-28 14:41, Marvin Doyley <marvinpas@gmail.com> writes:

> Dear All,
>
> Is there way to pass data between blocks in org-babel. For example lets say have two blocks
>
>
> #+begin_src python
> from pylab import *
> # Simple carrier
> t=linspace(0,1,100);
> fc=100;
> Ac =1;
> C=Ac*cos(2*pi*t);
>
> #+end_src
>
>
> What I would like to do is to pass both C and t to another python block, but it is not clear how to do this.
>
> #+begin_src python 
> from pylab import *
>
> fm=1;
> Am=1
> m=Am*cos(2*pi*t); # message signal
>
> z=m*C;   #double side-band modulated signal
>
> #+end_src

I see three options (there are probably many others):
- use a session (see
http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-python.html
for instance);
- have C and t be the results of the first block, and chain the blocks;
- use noweb to include the second block is the first block.

Alan