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Groups > comp.lang.postscript > #2501
| From | Scott Hemphill <hemphill@hemphills.net> |
|---|---|
| Newsgroups | comp.lang.postscript |
| Subject | Re: How long is a path? Alas currentdash is silent |
| References | (2 earlier) <c29bc460-0e9e-44ef-a259-9df1a6e33bac@googlegroups.com> <7f3d04a0-d6c3-4665-bae3-142f0c149284@googlegroups.com> <c50435f5-05ba-4793-b557-55dff3575a5e@googlegroups.com> <87y48qkanw.fsf@hemphills.net> <150b8144-ad32-455d-b2d9-02dd2d69acf3@googlegroups.com> |
| Date | 2016-04-06 17:12 -0400 |
| Message-ID | <87twjejvbf.fsf@hemphills.net> (permalink) |
jdaw1 <jdawiseman@gmail.com> writes:
> On Wednesday, 6 April 2016 16:40:52 UTC+1, Scott Hemphill wrote:
>> Did you let the integration complete? In my case, I just integrated
>>
>> Sqrt[a + b*t + c*t^2 + d*t^3 + e*t^4]
>
> I did. And have just tried
> Integrate[Sqrt[a0 + a1 t + a2 t^2 + a3 t^3 + a4 t^4], {t, 0, 1}]
> which also fails to integrate in Mathematica Home Edition 9.0.1.0. Not
> sure why.
> http://www.jdawiseman.com/2016/20160406_integration_failure.png
>
> And I have no PostScript means of evaluating an elliptic integral.
Hmmm. I have version 7.0 for Linux x86 (64-bit).
You'd need EllipticF and EllipticPi. The indefinite integral produced
nearly 1800 lines of output. The roots of the quartic were also pretty
long.
Scott
--
Scott Hemphill hemphill@alumni.caltech.edu
"This isn't flying. This is falling, with style." -- Buzz Lightyear
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How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-05 16:34 -0700
Re: How long is a path? Alas currentdash is silent tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2016-04-05 21:45 -0400
Re: How long is a path? Alas currentdash is silent luser- -droog <mijoryx@yahoo.com> - 2016-04-05 19:09 -0700
Re: How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-06 01:26 -0700
Re: How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-06 05:07 -0700
Re: How long is a path? Alas currentdash is silent Scott Hemphill <hemphill@hemphills.net> - 2016-04-06 11:40 -0400
Re: How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-06 09:52 -0700
Re: How long is a path? Alas currentdash is silent sjprouty3765@gmail.com - 2016-04-06 12:05 -0700
Re: How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-06 14:55 -0700
Re: How long is a path? Alas currentdash is silent Scott Hemphill <hemphill@hemphills.net> - 2016-04-06 17:12 -0400
Re: How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-06 14:34 -0700
Re: How long is a path? Alas currentdash is silent Scott Hemphill <hemphill@hemphills.net> - 2016-04-06 11:35 -0400
Re: How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-06 09:38 -0700
Re: How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-07 01:39 -0700
Re: How long is a path? Alas currentdash is silent Carlos <angus@quovadis.com.ar> - 2016-04-08 15:04 +0200
Re: How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-08 14:32 -0700
Re: How long is a path? Alas currentdash is silent Carlos <angus@quovadis.com.ar> - 2016-04-09 01:19 +0200
Re: How long is a path? Alas currentdash is silent jdaw1 <jdawiseman@gmail.com> - 2016-04-08 14:57 -0700
Re: How long is a path? Alas currentdash is silent Carlos <angus@quovadis.com.ar> - 2016-04-09 01:31 +0200
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