On Nov 19, 2012, at 22:36 , Jan Groenewald wrote: > On 16 September 2012 08:08, Robert Dodier <[email protected]> wrote: > >> On 2012-09-16, kcrisman <[email protected]> wrote:
Using Mac OS X, 10.6.8. Sage 4.8 has maxima 5.23 (maxima-5.23.2.p3.spkg); 5.0-beta2 has maxima 5.26. > Maxima 5.24.0 http://maxima.sourceforge.net > using Lisp GNU Common Lisp (GCL) GCL 2.6.7 (a.k.a. GCL) > Distributed under the GNU Public License. See the file COPYING. > Dedicated to the memory of William Schelter. > The function bug_report() provides bug reporting information. > (%i1) u : 1.2 $ > (%i2) m : 0.5 $ > (%i3) jacobi_sn (u, m); > (%o3) 0.88771548861928 > (%i4) jacobi_sn (u + 2 * %i * elliptic_kc (1 - m), m); > (%o4) 0.88771548861928 - 1.7301614091485549E-15 %i I get (maxima 5.26) 0.88771548861928 - 1.7919528880467195e-15 %i > Either that was a regression specifric to maxima 5.26, or this problem is > particular > to the sage interface to maxima. Original problem: > > 0 jan@muizenberg:/var/autofs/misc/home/jan$sage > ---------------------------------------------------------------------- > | Sage Version 5.4, Release Date: 2012-11-09 | > | Type "notebook()" for the browser-based notebook interface. | > | Type "help()" for help. | > ---------------------------------------------------------------------- > sage: u=1.2 > sage: m=0.5 > sage: jacobi('sn',u,m) > 0.887715488619 > sage: jacobi('sn',u+2*I*elliptic_kc(1-m),m) > jacobi_sn(1.2 + 3.7081493546*I, 0.500000000000000) > sage: n(jacobi('sn',u+2*I*elliptic_kc(1-m),m)) With sage-5.0-beta2, the above is duplicated, except that the last line has been going (and going, and ...) for several minutes now, with no signs of abating. It's adding small increments of memory, second by second... Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds ----------- Like the ski resort full of girls hunting for husbands and husbands hunting for girls, the situation is not as symmetrical as it might seem. - Alan MacKay -- -- You received this message because you are subscribed to the Google Groups "sage-support" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support?hl=en.
