Dear Simon Thank you. I did the same, but it states that an error. Note that I am using sage cell . Dr. K A. Venkatesh Professor of Math and Computer Science, Myanmar Institute of Information Technology 73rd Street, Ngu Shwe War, Chanmyathazi Township, Mandalay, Myanmar URL: www.miit.edu.mm
On Mon, Jun 24, 2019 at 1:20 PM Simon King <simon.k...@uni-jena.de> wrote: > Hi, > > On 2019-06-24, Prof K.A.Venkatesh <prof.kavenkat...@gmail.com> wrote: > > 1. how to enter cot(pi*x)? > > Did you try to type cot(pi*x) after the Sage prompt? > > The result is indeed cot(pi*x) as a symbolic expression. It can be > evaluated by inserting special values for x (which is a pre-defined > symbolic variable). > > A nice possibility (assuming that you do want to create a symbolic > function based on cotangent function) is this: > sage: f(x) = cot(pi*x) > sage: f > x |--> cot(pi*x) > sage: f(3) > Infinity > sage: f(3/2) > 0 > sage: f(3/4) > -1 > > Hope that I understood and answered your question. > Best regards, > Simon > > > -- > You received this message because you are subscribed to a topic in the > Google Groups "sage-support" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/sage-support/Qnf-Q4Ng7hw/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > sage-support+unsubscr...@googlegroups.com. > To post to this group, send email to sage-support@googlegroups.com. > Visit this group at https://groups.google.com/group/sage-support. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-support/qepvbg%2464ol%241%40blaine.gmane.org > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/CAEARTe%3DSgdFz3v_ERJ_LSgVSm5Z6VpSzkKCCfAPxo1wtPk-F_Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.