Thanks,

Your first option works like a charm

cheers,
M
On Apr 28, 2014, at 9:07 AM, Alan Schmitt <alan.schmitt@polytechnique.org> wrote:

> 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