Re: Precision....
- To: mathgroup at smc.vnet.net
- Subject: [mg33280] Re: [mg33266] Precision....
- From: Tomas Garza <tgarza01 at prodigy.net.mx>
- Date: Wed, 13 Mar 2002 03:14:51 -0500 (EST)
- References: <200203121009.FAA13375@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
I suggest you read the topics on numerical precision in The Book (1.1.2 and 3.1.4 - 3.1.5) or in the on-line help browser. The way Mathematica handles precision is different from most conventional computer languages, so the question about single- or double-precision is not relevant. Tomas Garza Mexico City ----- Original Message ----- From: "Balaji Srinivasan" <sbalaji at stanford.edu> To: mathgroup at smc.vnet.net Subject: [mg33280] [mg33266] Precision.... > Hi, > I am a beginner to Mathematica, so I am sorry in case this is kind of > trivial. > I was trying to implement the PSLQ Integer Detection Algorithm in > Mathematica 4.0. Was running into problems trying to implement something > of the following nature: > Have a bunch of matrices at an arbitrarily high precision level. > > Initially I wanted to convert them to say double precision > (will N[x,16] do? or do I have to use SetAccuracy?) > > At this juncture I needed to carry out a bunch of steps at double > precision. > (will $MaxPrecision = 'something or the other' work here?) > > Next, back to a bunch of calculations at an arbitrarily high precision. Is > there any easy and robust way of doing these steps. > > The double-precision steps are to save computation. Don't know if > Mathematica would actually save time even if these are implemented.. > Thanks, > Balaji > > >
- References:
- Precision....
- From: Balaji Srinivasan <sbalaji@stanford.edu>
- Precision....