On Wed, 28 Mar 2001, Tilman Utz wrote:

possibliy I just missed that one: Is there a method to solve nonlinear systems in Ginac?

No. What do you want to solve? Things like x^2+p*x+q == 0 for x? This touches topic "Field extensions" on <http://www.ginac.de/ToDo.html>. You have to represent objects like the infamous RootOf(x^5-x+1) first, then you can start solving systems of equations. Class power is simply not powerful enough, in can only represent surds and (though it doesn't make much sense out of it) nested surds. (IIRC from Geddes' book, the nonlinear systems case is more or less plain sailing once you know how to handle the polynomial case, but I may be wrong.) Regards -richy. -- Richard Kreckel <Richard.Kreckel@Uni-Mainz.DE> <http://wwwthep.physik.uni-mainz.de/~kreckel/> - To UNSUBSCRIBE, email to ginac-list@ginac.de with a subject of "unsubscribe".