Re: Odd behavior?
- To: mathgroup at smc.vnet.net
- Subject: [mg101886] Re: Odd behavior?
- From: Richard Fateman <fateman at cs.berkeley.edu>
- Date: Mon, 20 Jul 2009 19:21:31 -0400 (EDT)
- References: <200907191115.HAA20885@smc.vnet.net> <h41f90$rmb$1@smc.vnet.net>
I agree with DrMajorBob that 0 is the wrong answer, in the context of double-float machine-precision arithmetic. The answer is -2^(-53)-2^(-52), or -3.33... d-16 approximately. That is not the question posted, however. The question was, what changed between version 6 and version 7. (see below) since I do not currently have a copy of version 7 to play with, I can only speculate that (finally!) access to machine-precision arithmetic has been improved. And that the user of Mathematica can view, unimpeded, the actual machine arithmetic results, for the first time. to quote the original question..... >> >> Anybody know what changed or what I can do to prevent such poor >> solutions (besides forcing a specific order of evaluation)? Thanks. >>
- References:
- Odd behavior?
- From: elliot <esadlon@stevens.edu>
- Odd behavior?