Re: problem with Dynamic?

*To*: mathgroup at smc.vnet.net*Subject*: [mg81216] Re: problem with Dynamic?*From*: David Bailey <dave at Remove_Thisdbailey.co.uk>*Date*: Sun, 16 Sep 2007 04:03:17 -0400 (EDT)*References*: <fcg4e5$rk3$1@smc.vnet.net>

Mariusz Jankowski wrote: > Dear mathgroup, > > Evaluating definite integrals inside Dynamic seems to continue to use 100% > of CPU time even after the result shows up in the frontend! Other funny > things happen upon closing/opening the notebook, killing the kernel, etc > > > > For example, start Windows Task manager and execute the following in a fresh > notebook: > > > > Dynamic[Integrate[x, {x,0,1}] ] > > > > > Can anyone explain? > > > Thanks, Mariusz > > > > I can confirm this (on Windows XP)! If you try: Dynamic[Integrate[x a, {x, 0, 1}]] The output cell will update (correctly, but slowly) if you give 'a' a value. David Bailey http://www.dbaileyconsultancy.co.uk