Re: [sage-devel] Re: should hard integrals be evaluated numericaly if they fail to be evaluated?

2010-03-17 Thread Mike Hansen
On Wed, Mar 17, 2010 at 10:47 PM, Nick Alexander wrote: > At the time I worked with this code, which was several months ago, there was > no public interface for crawling the structures.  Testing for whether one > was looking at a sage value (meaning something with a parent) versus a > function app

Re: [sage-devel] Re: should hard integrals be evaluated numericaly if they fail to be evaluated?

2010-03-17 Thread Nick Alexander
On 17-Mar-10, at 10:12 PM, Jason Grout wrote: On 03/17/2010 11:40 AM, Nick Alexander wrote: On 17-Mar-10, at 10:18 AM, Mike Hansen wrote: On Wed, Mar 17, 2010 at 5:21 AM, Pablo Angulo wrote: Sorry to come back to this (two weeks) old topic, but what do you think about raising an exceptio

Re: [sage-devel] Re: should hard integrals be evaluated numericaly if they fail to be evaluated?

2010-03-17 Thread Nick Alexander
On 17-Mar-10, at 10:18 AM, Mike Hansen wrote: On Wed, Mar 17, 2010 at 5:21 AM, Pablo Angulo wrote: Sorry to come back to this (two weeks) old topic, but what do you think about raising an exception whenever a symbolic integral (or any symbolic computation) fails? Otherwise, is there a si

Re: [sage-devel] Re: should hard integrals be evaluated numericaly if they fail to be evaluated?

2010-03-17 Thread Mike Hansen
On Wed, Mar 17, 2010 at 5:21 AM, Pablo Angulo wrote: > Sorry to come back to this (two weeks) old topic, but what do you think > about raising an exception whenever a symbolic integral (or any symbolic > computation) fails? Otherwise, is there a simple way to distinguish a > succesful integration