Yes, one way to have latex printing is to add _latex method. Then maybe it would be worth add this line to _can_print_latex:
https://github.com/sympy/sympy/blob/master/sympy/interactive/printing.py#L105 Then anything with the _latex printing method will print. Jason moorepants.info +01 530-601-9791 On Tue, Aug 26, 2014 at 8:20 PM, Alan Bromborsky <abro...@verizon.net> wrote: > Are you saying if my class is Dop I should have > > class Dop(object): > > def _latex(self,GaLatexPrinter): > etc. > > where GaLatexPrinter is my custom latex printer that has member _print_Dop. > > > > On 08/26/2014 08:09 PM, Aaron Meurer wrote: > > You can define methods on the class, depending on what printer you want to > override. For the LaTeX printer, it's _latex. The signature should be > _latex(self, printer), and it should use printer to recursively print any > subexpressions. See > http://docs.sympy.org/latest/modules/printing.html#module-sympy.printing.latex > (the printmethod attribute), and search the SymPy codebase for some > examples. > > Aaron Meurer > > > On Tue, Aug 26, 2014 at 7:07 PM, Alan Bromborsky <abro...@verizon.net> > wrote: > >> Can you suggest how I could override the function without modifying >> interactive/printing.py? >> >> >> On 08/26/2014 07:38 PM, Jason Moore wrote: >> >> Maybe you need to override this function: >> >> >> https://github.com/sympy/sympy/blob/master/sympy/interactive/printing.py#L90 >> >> Notice how some odd classes that don't fit the sympy standards have >> special cases. Try adding your class to that list and see if it works. >> >> >> Jason >> moorepants.info >> +01 530-601-9791 >> >> >> On Tue, Aug 26, 2014 at 6:57 PM, Alan Bromborsky <abro...@verizon.net> >> wrote: >> >>> I am trying to print a list of instances of a custom class. The input >>> is - >>> >>> print (o3d.grad, o3d.grad) >>> >>> the output is (custom latex printer) >>> >>> [image: $$ (e_{x} \frac{\partial}{\partial x} + e_{y} >>> \frac{\partial}{\partial y} + e_{z} \frac{\partial}{\partial z}, e_{x} >>> \frac{\partial}{\partial x} + e_{y} \frac{\partial}{\partial y} + e_{z} >>> \frac{\partial}{\partial z}) $$] >>> >>> however in ipyrhon notebook I input >>> >>> (o3d.grad, o3d.grad) >>> >>> I get out >>> >>> (e_{x} \frac{\partial}{\partial x} + e_{y} \frac{\partial}{\partial y} + >>> e_{z} \frac{\partial}{\partial z}, >>> e_{x} \frac{\partial}{\partial x} + e_{y} \frac{\partial}{\partial y} + >>> e_{z} \frac{\partial}{\partial z}) >>> >>> Also the standard latex tuple and list printer is not using \left ( >>> \right and \left [ \right ) to enclose >>> the tuple or list. How can I write a custom latex tuple and list >>> printer that will also work in ipython notebook. >>> -- >>> 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. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/sympy/53FD10D1.6080309%40verizon.net >>> <https://groups.google.com/d/msgid/sympy/53FD10D1.6080309%40verizon.net?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> 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. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/CAP7f1AgriAFv0KoeL1ePt0n%3DEEjvpHYE6_2CtwoiX7%2B7%3Dp7hbg%40mail.gmail.com >> <https://groups.google.com/d/msgid/sympy/CAP7f1AgriAFv0KoeL1ePt0n%3DEEjvpHYE6_2CtwoiX7%2B7%3Dp7hbg%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- >> 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. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/53FD212F.6090802%40verizon.net >> <https://groups.google.com/d/msgid/sympy/53FD212F.6090802%40verizon.net?utm_medium=email&utm_source=footer>. >> >> >> For more options, visit https://groups.google.com/d/optout. >> > > -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/CAKgW%3D6KkuzhJY-s5AGkjJ0DyXk6F3XC4QNkKwMNcpO66ecic0A%40mail.gmail.com > <https://groups.google.com/d/msgid/sympy/CAKgW%3D6KkuzhJY-s5AGkjJ0DyXk6F3XC4QNkKwMNcpO66ecic0A%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > > -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/53FD244E.7050900%40verizon.net > <https://groups.google.com/d/msgid/sympy/53FD244E.7050900%40verizon.net?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sympy" group. 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