On Tue, Aug 13, 2013 at 7:00 PM, Alan Bromborsky <abro...@verizon.net> wrote:
> On 08/13/2013 08:50 PM, Dale Lukas Peterson wrote:
>
>
>>
>> Also, try the ".series()" command. It might work, as it is expanding
>> the expression inside out,
>> to avoid such problems.
>>
>
> Also, if you can put the equations in the form: dx/dt = f(x), and you have
> f(x) as a Sympy Matrix of expressions, you can simply do df = f.jacobian(x),
> then evaluate (using subs) at the equilibrium conditions and values of
> parameters that you are interested in.
>
> Luke
> --
> You received this message because you are subscribed to the Google Groups
> "sympy" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to sympy+unsubscr...@googlegroups.com.
> To post to this group, send email to sympy@googlegroups.com.
> Visit this group at http://groups.google.com/group/sympy.
> For more options, visit https://groups.google.com/groups/opt_out.
>
>
>
> series did not work.  limits did for evaluating the derivatives.  First
> derivatives were quick.  Second derivatives took a long time (15min).

Can you post the sympy script that takes 15 min?

I'd like to see what the problem is.

Ondrej

-- 
You received this message because you are subscribed to the Google Groups 
"sympy" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to sympy+unsubscr...@googlegroups.com.
To post to this group, send email to sympy@googlegroups.com.
Visit this group at http://groups.google.com/group/sympy.
For more options, visit https://groups.google.com/groups/opt_out.


Reply via email to