Groups > comp.soft-sys.math.maple > #1040

Re: missing asymptote

From	Joe Riel <joer@san.rr.com>
Newsgroups	comp.soft-sys.math.maple
Subject	Re: missing asymptote
Date	2014-11-23 22:24 -0800
Organization	A noiseless patient Spider
Message-ID	<87h9xpktdw.fsf@san.rr.com> (permalink)
References	<78f827e7-f3d7-4c1e-beaf-b95e410c4dc2@googlegroups.com>

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carlo berlingen <carlo.numerik@t-online.de> writes:

> In plot(1/(x-1), x=-2..2) I get the asymptote x=1, 
> but in plot(1/(x-1)^2, x=-2..2) Maple doesnt display the asymptote.
> Why???????
> best regards
> carlo

That the first plots the asymptote is an illusion caused by the plotting
routine generating a single Matrix of points representing a continuous
plot, when, in fact, the curve is not continuous.  Because the second
curve is even around 1, connecting the points adjacent to the
singularity does not form a "pseudo-asymptote".

-- 
Joe Riel

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missing asymptote carlo berlingen <carlo.numerik@t-online.de> - 2014-11-23 14:49 -0800
  Re: missing asymptote Joe Riel <joer@san.rr.com> - 2014-11-23 22:24 -0800

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