On 15 ún, 02:44, Dana Ernst <[email protected]> wrote: > 2. Is there a way for Sage to simplify (respectively, expand) expressions > like ln(x)+ln(y) (respectively, ln(x*y)? Sage does what you would expect > with trig functions using trig_expand, but I figure out how to deal with logs.
wait few days for Sage 4.3.3: http://trac.sagemath.org/sage_trac/ticket/7334 command simplify_log and expand_log > > 4. When to use f.somecommand() is still mysterious to me. It seems that > some times, but not always, you can use somecommand(f). For example, take > > f=(x+1)^2 > > Then both integral(f,x) and f.integral(x) work. However, f.is_zero() works, > but is_zero(f) does not. Can someone help me understand this (without having > to learn Python; I'll do that later)? try also automatic_names(True) ( http://trac.sagemath.org/sage_trac/ticket/7482 ) Robert -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
