to_poly_solve regression
- Subject: to_poly_solve regression
- From: Mike Hansen
- Date: Fri, 26 Jun 2009 14:51:52 -0700
Hello,
In Maxima 5.16.3, we get two solutions:
(%i1) load(topoly_solver);
(%o1) /opt/sage/local/share/maxima/5.16.3/share/contrib/topoly_solver.mac
(%i2) to_poly_solve(Q*sqrt(Q^2 + 2) - 1 = 0, Q);
1 1
(%o2) [[Q = -----------------], [Q = -----------------]]
sqrt(1 - sqrt(2)) sqrt(sqrt(2) + 1)
In Maxima 5.18.1, we get just one:
(%i3) load(topoly_solver);
(%o3)
/opt/sage-4.0.2.rc2/local/share/maxima/5.18.1/share/contrib/topoly_solver.mac
(%i4) to_poly_solve(Q*sqrt(Q^2 + 2) - 1 = 0, Q);
1
(%o4) [[Q = -----------------]]
sqrt(sqrt(2) + 1)
--Mike