precisions
- To: mathgroup at smc.vnet.net
- Subject: [mg55973] precisions
- From: "Tun Myint Aung" <TMA at nus.edu.sg>
- Date: Tue, 12 Apr 2005 05:26:36 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
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
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