#1424 wrong radcan-simplification

closed
5
2008-06-02
2008-05-31
Anonymous
No

Maxima version: 5.13.0
Maxima build date: 9:20 12/12/2007
host type: i686-pc-linux-gnu
lisp-implementation-type: GNU Common Lisp (GCL)
lisp-implementation-version: GCL 2.6.8

radcan(3^(1/6)*9^(1/3));
sqrt(3)
and that ist wrong!

helfried.kravanja@aon.at

Discussion

  • Dan Gildea

    Dan Gildea - 2008-06-02
    • status: open --> closed
    • assigned_to: nobody --> dgildea
     
  • Dan Gildea

    Dan Gildea - 2008-06-02

    Logged In: YES
    user_id=1797506
    Originator: NO

    fixed in src/nrat4.lisp revision 1.17:
    o spc5: was losing denominator in building gcdlist

    (%i2) radcan(3^(1/6)*9^(1/3));
    (%o2) 3^(5/6)

    (%i3) radcan(81^(1/5)*9^(1/3));
    (%o3) 3*3^(7/15)

     

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