I don't know. It depends on how you changed the code. Could you push a
branch up to GitHub?

Aaron Meurer

On Mon, Sep 9, 2013 at 8:27 PM, Alan Bromborsky <[email protected]> wrote:
> On 09/09/2013 09:22 PM, Aaron Meurer wrote:
>>
>> Currently, there isn't an easy way to use a custom latex printer. The
>> relevant issue is
>> https://code.google.com/p/sympy/issues/detail?id=4013. Ideally, you
>> could just pass a custom printer to init_printing(), and that printer
>> would be used.
>>
>> Pull requests welcome. Let me know if you need help on how to get started.
>>
>> Aaron Meurer
>>
>> On Mon, Sep 9, 2013 at 4:41 PM, Alan Bromborsky <[email protected]>
>> wrote:
>>>
>>> I have a custom latex printer in galgebra that works (added methods for
>>> multivectors and redefined methods for partial derivatives and functions)
>>> when generating latex code.  What additional things to I need to do to
>>> make
>>> it work in Ipython notebook.
>>>
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>
> I modified init_printing args -
>
> from sympy.printing.printer import Printer
>
> def init_printing(pretty_print=True, order=None, use_unicode=None,
>                   use_latex=None, wrap_line=None, num_columns=None,
>                   no_global=False, ip=None, euler=False, forecolor='Black',
>                   backcolor='Transparent', fontsize='10pt',
>                   latex_mode='equation*',Printer=Printer):
>
> to pass the custom printer to init_printing
>
> then tried
>
> from sympy import symbols, init_printing, Function, diff
> from ga import Ga
> from printer import GaLatexPrinter, Format
> init_printing(use_latex=True,Printer=GaLatexPrinter)
>
> in Ipython notebook
>
> GaLatexPrinter changes the behavior of function and derivative printing, but
> functions and derivative printed out the standard sympy latex way.  Any
> suggestions?
>
>
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