elliptic_e(0.5, 0.1) differs from Mathematica 7 by about 0.04%.
Subject: elliptic_e(0.5, 0.1) differs from Mathematica 7 by about 0.04%.
From: Raymond Toy
Date: Mon, 10 Aug 2009 12:02:22 -0400
Dr. David Kirkby wrote:
> I've built Sage on a sun4u SPARC machine, using Maxima 5.19.0 and ECL 9.8.1
>
> Sage fails about 15 tests, one of which is below. I computed the result
> in Mathematica too, and find the result on the SPARC does differ from
> what Sage expects, and the result Sage expects is much closer to the
> result from Mathematica.
>
> sage: elliptic_eu (0.5, 0.1)
> Expected:
> 0.496054551287
> Got:
> 0.495848403419
>
>
A bit late, but I have built and run ecl on solaris. I get:
(%i1) elliptic_e(0.5, 0.1);
(%o1) .4980113944988315
(%i2) elliptic_eu (0.5, 0.1);
(%o2) .4960545512865968
This is ecl 8.12.0. I haven't gotten around to building any newer
version of ecl.
Ray