Re: precisions
- To: mathgroup at smc.vnet.net
- Subject: [mg56015] Re: [mg55973] precisions
- From: Chris Chiasson <chris.chiasson at gmail.com>
- Date: Wed, 13 Apr 2005 01:11:03 -0400 (EDT)
- References: <200504120926.FAA27673@smc.vnet.net>
- Reply-to: Chris Chiasson <chris.chiasson at gmail.com>
- Sender: owner-wri-mathgroup at wolfram.com
What is the actual precision of the input? Are you entering in dimensions of beams, etc? I wonder what the gurus will say on the subject of tracking precision through a set of calculations. On Apr 12, 2005 5:26 AM, Tun Myint Aung <TMA at nus.edu.sg> wrote: > > Hi All, > > I am doing a calculation involving eigenvalues and eigenvectors for > structural mechanics. I encountered with difficulties in numerical > calculation which is very sensitive to precisions of numerical numbers. > I used "SetPrecision[inputdata,100] for my input data. But after I got > eigenvalues and eigenvectors, these numbers are "MachinePrecision". I > tried to change the precision in "Eigenvalues", but there are no options > for that. How can I set the precision for the whole notebook? > > With Regards, > Tun Myint Aung (Graduate Student) > Civil Engineering Department > National University of Singapore > E1A 02-18 > E-mail: g0202015 at nus.edu.sg (or) tma at nus.edu.sg > > -- Chris Chiasson Kettering University Mechanical Engineering Graduate Student 1 810 265 3161
- References:
- precisions
- From: "Tun Myint Aung" <TMA@nus.edu.sg>
- precisions