Re: Plotting polynomials to hard for Maple?

From	William Unruh <unruh@invalid.ca>
Newsgroups	comp.soft-sys.math.maple
Subject	Re: Plotting polynomials to hard for Maple?
Date	2017-10-26 16:12 +0000
Organization	A noiseless patient Spider
Message-ID	<ost1hc$4vb$1@dont-email.me> (permalink)
References	<134b615a-0b23-4770-96bb-498f1be994d6@googlegroups.com> <4e57a1f6-e879-4b25-bb8c-c1da2adcaa47@googlegroups.com> <4db7e3d6-1b30-464f-9cde-83623a5b01ab@googlegroups.com>

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On 2017-10-26, Peter Luschny <peter.luschny@gmail.com> wrote:
> Am Dienstag, 24. Oktober 2017 09:07:55 UTC+2 schrieb acer:
>> On Monday, October 23, 2017 at 5:36:09 PM UTC-4, Peter Luschny wrote:
>> > plot(5*x^4-20*x^3+30*x^2-20*x+5, x=0..1);
>> > https://imgur.com/a/UMVI2
>> 
>> As usual Peter does not mention which Maple version he's using here. 
>
> Because it does not matter.
>
> There are many many different versions out there and the purpose of 
> my posts is to alert Maple users so they can check if their version
> is correct or if they have to expect this or similar bugs.

No. You said that Maple does this. It does not. Your particular version
may, and as such you should tell us which version you use. 

>
>> Improvements to the underlying scheme already make Peter's example 
>> show the full range from 0.0 to 5.0 in Maple 17.02 and onwards. 
>
> Ha ha, try it with Maple V, Release 5, about 1998.
> So much for the "improvements" which "already" show 
> things right "in Maple 17.02 and onwards". 

You mean it plots it differently? So it is not Maple which does it
incorrectly but some specific version? So why "it does not matter" when
you contradict that in the same post?

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Thread

Plotting polynomials to hard for Maple? Peter Luschny <peter.luschny@gmail.com> - 2017-10-23 14:36 -0700
  Re: Plotting polynomials to hard for Maple? William Unruh <unruh@invalid.ca> - 2017-10-24 03:59 +0000
    Re: Plotting polynomials to hard for Maple? Peter Luschny <peter.luschny@gmail.com> - 2017-10-26 02:39 -0700
  Re: Plotting polynomials to hard for Maple? acer <maple@rogers.com> - 2017-10-24 00:07 -0700
    Re: Plotting polynomials to hard for Maple? Peter Luschny <peter.luschny@gmail.com> - 2017-10-26 02:50 -0700
      Re: Plotting polynomials to hard for Maple? William Unruh <unruh@invalid.ca> - 2017-10-26 16:12 +0000
  Re: Plotting polynomials to hard for Maple? Juergen Barsuhn <jw.barsuhn@t-online.de> - 2017-11-01 16:12 +0100

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