I was using sagenb,org, so the output isn't actually a SAGE session, but pasting from sagenb.org. It says it is 4.7.2. Glad it's fixed. I guess I ought to download a 4.8 if I'm really going to comment in more detail, given the apparent changes.
On Jan 14, 1:47 am, Michael Orlitzky <mich...@orlitzky.com> wrote: > On 01/13/2012 07:38 PM, JamesHDavenport wrote: > > > Unfortunately, full_simplify has its own problems, notably with branch > > cuts. > > sage: f = (1/2)*log(2*t) + (1/2)*log(-t) > > sage: f.full_simplify() > > 1/2*log(2) > > In my session, I had the difference of two logarithms. In yours above, > you've got the sum. Is that an actual sage session? I get something > different on 4.8.alpha6: > > sage: f = (1/2)*log(2*t) + (1/2)*log(-t) > sage: f.full_simplify() > 1/2*I*pi + 1/2*log(2) + log(t) > > In the example below, with t=-1, both logs should have imaginary part pi > and real parts log(2) and zero respectively? > > >> There's no global function for it, but what you want is to call > >> full_simplify() on the expression. > > >> sage: f = (1/2)*log(2*t) - (1/2)*log(t) > >> sage: f.full_simplify() > >> 1/2*log(2) -- 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
