On Mon, Jul 21, 2008 at 11:08 PM, Jason Grout <[EMAIL PROTECTED]> wrote: > > Currently most elements of QQbar are printed in interval notation: > > [-2.0741620076681855 .. -2.0741620076681850] + [1.7722625415877633 .. > 1.7722625415877638]*I > > When dealing with lots of these, or when dealing with matrices and > vectors of QQbar elements, this quickly becomes overwhelming because of > the massive amount of almost-the-same numbers, the extra brackets, etc. > What do people think of printing QQbar elements in a different way > (thanks to cwitty for suggesting the question mark syntax): > > 1. Appending a question mark after the last unquestionable digit an > interval: -2.074162007668185? + 1.772262541587763?*I > > 2. Appending a question mark after the first questionable digit of an > interval: -2.0741620076681853? + 1.7722625415877636?*I > > 3. Printing the center of each interval in angle brackets: > <-2.0741620076681853 + 1.7722625415877636*I> > > 4. Just print the center of the interval, with no indication that we > actually have an exact QQbar element: -2.0741620076681853 + > 1.7722625415877636*I > > Any better ideas? > > The nice thing about option 4 is that one can then copy and paste and > get a fairly good approximation for the QQbar element. However, the > other options are nice in that they signify that we have an exact > algebraic value rather than a floating point approximation. >
Personally I really like the ? notation. William --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@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-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
