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#1473 unable solve

closed
nobody
5
2010-03-14
2008-08-07
Anonymous
No

solve([x+y=1,sqrt(x+1)=1],[x,y])

returns []

Maxima version: 5.15.0Maxima build date: 17:36 4/20/2008host type: i686-pc-mingw32lisp-implementation-type: GNU Common Lisp (GCL)lisp-implementation-version: GCL 2.6.8

Discussion

  • Barton Willis

    Barton Willis - 2008-08-08

    Logged In: YES
    user_id=895922
    Originator: NO

    A work around:

    (%i1) load(topoly_solver)$
    (%i2) to_poly_solve([x+y=1,sqrt(x+1)=1],[x,y]);
    (%o2) [[x=0,y=1]]

     
  • Dieter Kaiser

    Dieter Kaiser - 2010-03-14
    • status: open --> closed
     
  • Dieter Kaiser

    Dieter Kaiser - 2010-03-14

    Maxima can solve this equations by using the package to_poly_sover. This example has been added to the open feature request ID: 2617416 "to_poly_solve in core, was: Maxima can't solve equation".
    Closing this bug report.
    Dieter Kaiser

     

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