derivative in numpy

[Ken Starks]

Ken Starks wrote:
> knielsen73 at gmail.com wrote:
>> Hi,
>>
>> I am looking to do a simple derivative. I would expect such a function
>> to be available in numpy, but can't find it. I have written my own,
>> but just curious if anybody knows of such function in numpy.
>>
>> Cheers,
>>  Kim
> numpy and much more are wrapped together in 'sage' and you should get
> the functionality you need there.
> 
> For a review, see:
> 
> http://vnoel.wordpress.com/2008/05/03/bye-matlab-hello-python-thanks-sage/

Sorry, the review isn't very useful. for something more focused on your
request, see:

http://www.sagemath.org/doc/tut/node13.html