Oh. How do I check if something is an integer, rational, real, or complex?
On 5/9/07, William Stein <[EMAIL PROTECTED]> wrote: > is_RealNumber checks that the data type of the input is a RealNumber, > i.e., has parent a real field. It does not check whether the object > itself has some sort of abstract mathematical meaning as a real > number. > > On 5/9/07, Timothy Clemans <[EMAIL PROTECTED]> wrote: > > {{{ > > is_RealNumber(3) > > /// > > False > > }}} > > > > {{{ > > is_RealNumber(sqrt(2)) > > /// > > False > > }}} > > > > {{{ > > is_RealNumber(pi) > > /// > > False > > }}} > > > > > -- > William Stein > Associate Professor of Mathematics > University of Washington > http://www.williamstein.org > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sage-support" group. To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support?hl=en -~----------~----~----~----~------~----~------~--~---