From: "John D'Errico" <>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Double Precision
Date: Thu, 26 Feb 2009 20:46:02 +0000 (UTC)
Organization: John D'Errico (1-3LEW5R)
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Walter Roberson <> wrote in message <iAepl.29276$pX4.17109@newsfe08.iad>...
> Tim Love wrote:
> > "Hosein" <> writes:
> > 
> >> I am working with very small numbers and it is important to include all digits in all operations.
> > By default, matlab uses double precision. Maybe you just need to look up the 
> > format command?
> Correct for sufficiently new versions of Matlab; if I recall correctly, Roger's version
> still defaults to single precision. Maybe there's a "Double Precision" command that is
> so obsolete that I've simply never heard of it ?

No, Roger's version does not default to single.
In fact, it was only a somewhat recent advance
that single was even an option asa data type.