On Mon, Jun 27, 2011 at 8:23 AM, Chris Seberino <cseber...@gmail.com> wrote: > > > On Jun 24, 11:59 pm, Jason Grout <jason-s...@creativetrax.com> wrote: >> sage: implicit_mul('diff(f,x)(3)', level=10) >> 'diff(f,x)*(3)' >> >> which is definitely not what I intended. > > Jason > > Would you agree a good robust solution to your issue would be for an > implicit_mul level that *ONLY* converted spaces to multiplication? In > other words.... > > This should work... > > (1 + 2) (3 + 4) # Notice space between parens. > > This should/would give an error... > > (1 + 2)(3 + 4) # Notice no space between parens.
That doesn't solve the call mangling issue: sage: f(x) = x+1 sage: g(x) = x^2 sage: var('a,b') (a, b) sage: (f) (a) a + 1 sage: f + g x |--> x^2 + x + 1 sage: (f + g) (a + b) (a + b)^2 + a + b + 1 > I reread the implicit_mul docs at > http://www.sagemath.org/doc/reference/sage/misc/preparser.html > and I cannot find a level between 3 and 10 that does this. The levels aren't tight so that we can add levels if needed, however I think it's a bad idea for the default level to make syntactically valid Python into something that has a totally different meaning. - Robert -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org