Re: transposing an equation

*To*: mathgroup at smc.vnet.net*Subject*: [mg26258] Re: transposing an equation*From*: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>*Date*: Sun, 10 Dec 2000 00:19:33 -0500 (EST)*Organization*: Universitaet Leipzig*References*: <90kq3d$r25@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hi, Solve[y==a x^2 + b x +x,x] ? InverseSeries[a x^2 + b x + c + O[x]^3, y] General it is not possible for an exact polynom to revert the equation y= a x^2+b*x+c into x=A*y^2+B*y+C. Regards Jens Christopher Deacon wrote: > > Suppose y=a x^2+b x +c. > > How can I get Mathematica to solve for x (i.e., x=Ay^2+By+C) and give me the > values for the constants A,B,C? > > Chris