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Groups > comp.graphics.apps.gnuplot > #1059

Re: fatal precision problem in gnuplot or fatal operator incompetence?

From brendan.halpin@ul.ie (Brendan Halpin)
Newsgroups comp.graphics.apps.gnuplot
Subject Re: fatal precision problem in gnuplot or fatal operator incompetence?
Date 2012-04-28 15:31 +0100
Message-ID <87mx5wlygu.fsf@wivenhoe.ul.ie> (permalink)
References <jnggj3$s2a$1@online.de>

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On Sat, Apr 28 2012, Charles T. Smith wrote:

> Why does:
>
>   plot [0:1000] sin(x)
>
> seem to be modulated with what appears to be a sine wave?

The long answer involves words like aliasing and Nyquist. 

The short answer is evident from the following:

set samples 10000
plot [0:1000] sin(x)

Brendan
-- 
Brendan Halpin,   Department of Sociology,   University of Limerick,   Ireland
Tel: w +353-61-213147  f +353-61-202569  h +353-61-338562;  Room F1-009 x 3147
mailto:brendan.halpin@ul.ie    ULSociology on Facebook: http://on.fb.me/fjIK9t
http://teaching.sociology.ul.ie/bhalpin/wordpress         twitter:@ULSociology

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Thread

fatal precision problem in gnuplot or fatal operator incompetence? "Charles T. Smith" <cts.private@yahoo.com> - 2012-04-28 12:25 +0200
  Re: fatal precision problem in gnuplot or fatal operator incompetence? 3031-866 <cts.private@yahoo.com> - 2012-04-28 13:33 +0200
    Re: fatal precision problem in gnuplot or fatal operator incompetence? brendan.halpin@ul.ie (Brendan Halpin) - 2012-04-28 15:33 +0100
      Re: fatal precision problem in gnuplot or fatal operator incompetence? "Charles T. Smith" <cts.private@yahoo.com> - 2012-04-28 16:45 +0200
  Re: fatal precision problem in gnuplot or fatal operator incompetence? brendan.halpin@ul.ie (Brendan Halpin) - 2012-04-28 15:31 +0100
    Re: fatal precision problem in gnuplot or fatal operator incompetence? "Charles T. Smith" <cts.private@yahoo.com> - 2012-04-28 16:43 +0200

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