On Nov 28, 2008, at 1:45 AM, hbetx9 wrote:
>
> Hi Sage Community,
>
> After reviewing this oustanding piece of software, I would like to
> utilize it to solve some problems I've been working on. However I have
> one question that the documentation has not provided a solution for.
> Is there a way have symbolic lists or lists of symbolic variables? Our
> would I have to construct a new class for this?
>
> Best,
> Lance
>
You can certainly create lists with symbolic variables in them. You
need to define the variables up from with:
var('x,y,z,a,b,c')
or what ever your variables are. Since the input to var is a string
you can even build up the list through string manipulation to get
a1 through a10 for example. Once you have the variables defined, you
can create a list like:
list = [a,b,c,d]
The list can have expressions utilizing those variables if you want.
Hope this helps. If I've misunderstood the question, could you clarify
what you want to do with them?
I recommend you look at the Python references in the Documentation
section
of the web site for more details on Python lists.
Cheers,
Tim.
---
Tim Lahey
PhD Candidate, Systems Design Engineering
University of Waterloo
http://www.linkedin.com/in/timlahey
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