Re: Eigensystem
- To: mathgroup at smc.vnet.net
- Subject: [mg73338] Re: Eigensystem
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Tue, 13 Feb 2007 06:54:19 -0500 (EST)
- Organization: Uni Leipzig
- References: <eqmcbn$bbe$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi,
run it on exact numbers ? Rationalize[] you floating point numbers
Eigensystem[
Table[Random[], {5}, {5}] /. r_Real :> Rationalize[r, 10^(-32)]] //
N[#, 32] &
??
Regards
Jens
Vadim N. Smelyanskiy wrote:
> Dear Sir/Madam:
>
>
>
> I am a user of Mathematica 5.2 for Windows.
>
> Please can you advice me how to run Eigensystem function so that its result
> has precision (say 50)
>
> that is much higher then the Machine Precision.
>
>
>
> Thank you
>
> Vadim
>
>
>
> Vadim N. Smelyanskiy, PhD
>
> NASA Ames Research Center
>
> Discovery and System Health Area
>
> Intelligent Systems Division
>
> Mail Stop 269-3
>
> Moffett Field, CA 94035-1000
>
> Tel.: 650-604-2261
>
> Fax: 650-604-4036
>
>
>