And by the way, this is just the printing order. The internal order is completely different, and cannot be customized.
Aaron Meurer On Fri, Jul 5, 2013 at 7:02 PM, Aaron Meurer <[email protected]> wrote: > If you use isympy, use the -o rev-lex commandline flag. If you use > init_printing, use init_printing(order='rev-lex'). > > Also, if an expression contains an O() term, it is automatically printed > backwards. > > Aaron Meurer > > > On Fri, Jul 5, 2013 at 12:59 PM, Ondřej Čertík <[email protected]>wrote: > >> On Fri, Jul 5, 2013 at 11:12 AM, Amit Saha <[email protected]> wrote: >> > Hello, >> > >> > Is is possible to force the order of terms in an expression to be >> > reverse of the order as is chosen by default i.e.highest to lowest? >> > >> > For example: >> > >> >>>> expr=3 + x**2 + x >> >>>> expr >> > x**2 + x + 3 >> > >> > Is there a method to store or even simply display expr as: >> > >> > 3 + x + x**2 >> > >> > without resorting to any hackery? >> >> It depends on the printer, but for str(), this is implemented in >> sympy/printing/str.py, line 44 (_print_Add). >> >> If you look on top, you will see: >> >> _default_settings = { >> "order": None, >> "full_prec": "auto", >> } >> >> These should be possible to set by the user. But for some reason I >> can't figure out what to use for "order" to change the ordering. >> >> Summary: it should be possible, and if not, it should be quite easy to >> fix. >> >> Ondrej >> >> -- >> 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.
