Hi.
The psi function is defined over the entire complex plane. But sage doesn't seem to know anything about its properties. For example, I happen to know that psi(1-z) == pi/tan(pi*z) + psi(z) So I would expect the following sage command: sage: (psi(1-z)- psi(z)-pi/tan(pi*z)).full_simplify() [complicated expression deleted]. to give zero. How do I tell sage to simplify this expression? -- Robin Hankin Uncertainty Analyst hankin.ro...@gmail.com -- 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
