Perhaps. We already have https://github.com/sympy/sympy/pull/2431. Can it extend the behavior from there?
Aaron Meurer On Fri, Sep 6, 2013 at 10:53 AM, Saullo Castro <[email protected]> wrote: > Thank you all by the tips! > I've finished the integration by parts and now it's working really well. > I've added a known functional as one of the testing cases. > In the next days I would like to work on the printer and add some > documentation, but before... I'd like to know if there is any interest from > the SymPy-dev side to add this tool in SymPy. > > It would also be nice to have someone else testing this with more known > functionals.... > > Saullo > > > 2013/9/6 Aaron Meurer <[email protected]> >> >> See http://docs.sympy.org/0.7.3/modules/printing.html. You need to >> override a method in your class (the method names differ depending on >> what printer you want to override). >> >> Aaron Meurer >> >> On Thu, Sep 5, 2013 at 7:59 AM, Saullo Castro <[email protected]> >> wrote: >> > I've updated the routine with the suggestions given by you. >> > So far the variational operations are being applied correctly. >> > You create the functional using the built-in Function class and then >> > transform it to a variational expression Vexpr(): >> > You can then differentiate an instance of Vexpr() using diff as usual. >> > >> > I would kindly ask you some more help: >> > - how to change the printer from Function to give just "u" instead of >> > "u(x, >> > t)", for example. I tried subclassing Function like shown in the code >> > but >> > without success >> > - how to change the printer to print "\delta" + >> > function.__class__.__name__. >> > In qtconsole when I create a Symbol called 'delta' it changes it to a >> > symbolic \delta.... is it possible to declare a method in the class to >> > guide >> > the printer in qtconsole? >> > >> > Thank you all! >> > >> > >> > >> > 2013/9/5 Saullo Castro <[email protected]> >> >> >> >> Thank you! that helped! >> >> >> >> >> >> >> >> 2013/9/5 Sergey B Kirpichev <[email protected]> >> >>> >> >>> On Thu, Sep 05, 2013 at 01:02:14PM +0200, Saullo Castro wrote: >> >>> > One think, is it possible to define a method like __diff__() that >> >>> > tells >> >>> > how the class should be differentiated in Sympy, like we do for >> >>> > __mul__, >> >>> > __add__ etc... ? >> >>> >> >>> See the Derivative class docstring. >> >>> >> >>> -- >> >>> You received this message because you are subscribed to a topic in the >> >>> Google Groups "sympy" group. >> >>> To unsubscribe from this topic, visit >> >>> https://groups.google.com/d/topic/sympy/cvOjJdEWprM/unsubscribe. >> >>> To unsubscribe from this group and all its topics, send an email to >> >>> [email protected]. >> >>> To post to this group, send email to [email protected]. >> >>> Visit this group at http://groups.google.com/group/sympy. >> >>> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> >> >> > >> > -- >> > 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 [email protected]. >> > To post to this group, send email to [email protected]. >> > Visit this group at http://groups.google.com/group/sympy. >> > For more options, visit https://groups.google.com/groups/opt_out. >> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "sympy" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/sympy/cvOjJdEWprM/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/sympy. >> For more options, visit https://groups.google.com/groups/opt_out. > > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sympy. > For more options, visit https://groups.google.com/groups/opt_out. -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.
