On Saturday, December 10, 2016 at 12:31:20 PM UTC-8, Qian Hong wrote: > > Thanks David, > > On Sun, Dec 11, 2016 at 7:02 AM, David Roe <roed...@gmail.com > <javascript:>> wrote: > > The issue is with the simplification of the expression, rather than the > > latex function. The following currently works: > > > > sage: latex(x.mul(x.power(-1),hold=True)) > > \frac{x}{x} > > > > Is this sufficient for your purposes? If not, the relevant code is in > > sage/symbolic/expression.pyx (it's a big file: search for `hold=False`). > > No, this is not automatically enough, I'm looking for an automatic way > rather than manually rewriting every expressions.
So it seems like you'd want a parser for symbolic expressions that "holds" by default. There is a parser in sage, see sage.misc.parser . You might be able to subclass/modify that with relatively little effort to ensure that operations are "held". -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.