Changes between Version 3 and Version 14 of Ticket #14878


Ignore:
Timestamp:
10/15/16 14:41:26 (5 years ago)
Author:
rws
Comment:

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  • Ticket #14878

    • Property Milestone changed from sage-6.1 to sage-7.5
    • Property Dependencies changed from to pynac-0.7.0
    • Property Report Upstream changed from N/A to Fixed upstream, in a later stable release.

  • Ticket #14878 – Description

    v3 v14  
     1Pynac-0.7.0 uses Flint to get univariate series expansions. For comparison,
     2{{{
     3                                             now     previously
     4sin(x*sin(x*sin(x*sin(x)))).series(x,8)     50-55µs    13.7s
     5sin(x*sin(x*sin(x*sin(x)))).series(x,12)      69µs      >1min
     6sin(x*exp(x)).series(x,100)                  3.7ms     11.3s
     7sin(x*exp(x)).series(x,500)                  215ms       n/a
     8(sin(x+x^2)*cos(x+x^2)).series(x,1000)       2.86s       n/a
     9}}}
     10
     11This ticket should add extensive tests, probably a file under `test/`. It can take some cases from Symengine.
     12
     13Previous ticket description:
     14
    115The following
    216{{{