I guess it depends on what the questioner wants. If it is a definite integral with an exact answer (say pi) and they want to evaluate it in floating point to arbitrary precision then
sage: RealField? explains how. If there have a defnite integral which perhaps cannot be computed exactly but they want an approximation to a level of precision that they set themsleves then sage: numerical_integral? explains how. On Mon, Apr 13, 2009 at 3:53 PM, Jurgis Pralgauskis <jurgis.pralgaus...@gmail.com> wrote: > > Hello, > > I made a presentation on SAGE for some math faculty folks, > they were generally interested in first/second year students teaching: > this mainl'y includes calculus, differential equations > > but there was a question, when I could not find answer (as I am not > real matemathitian): > how about arbitrary-precision in calculations (for example in > defininte integration)? > > I found kind of example, where I see signs of precision > http://trac.sagemath.org/sage_trac/ticket/780 > > I found some hints, but not sure which would suite calculus or so best: > > http://www.sagemath.org/doc/reference/rings_numerical.html > > http://en.wikipedia.org/wiki/SAGE_(computer_algebra_system) > says: Arbitrary Precision Arithmetic GMP, MPFR, MPFI, NT > > also, http://code.google.com/p/mpmath/ (whis has connections to SAGE > as I understand) > > > how would you recommend to give mostly universal answer about > arbitrary-precision calculations? > > Thanks in advance > > -- > Jurgis Pralgauskis > Don't worry, be happy and make things better ;) > http://sagemath.visiems.lt > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sage-edu" group. To post to this group, send email to sage-edu@googlegroups.com To unsubscribe from this group, send email to sage-edu+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-edu?hl=en -~----------~----~----~----~------~----~------~--~---
