Re: transposing an equation

*To*: mathgroup at smc.vnet.net*Subject*: [mg26276] Re: transposing an equation*From*: "Lutz Schaefer" <lschafer at golden.net>*Date*: Sun, 10 Dec 2000 00:19:48 -0500 (EST)*Organization*: Advanced Imaging Methodology Consultation*References*: <90kq3d$r25@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Christopher Deacon <cdeacon at physics.mun.ca> wrote in message news:90kq3d$r25 at smc.vnet.net... > 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 > that is not too hard. Just use the 'Solve' function, like Solve[ a x^2 + b x + c == y, x ] solves your polynomial (two solutions) and writes it in terms of x. If you read the help you will find some helpful examples too. Cheers Lutz -- ______________________________________ Lutz Schaefer Advanced Imaging Methodology Consultation 16-715 Doon Village Rd. Kitchener, Ontario N2P 2A2, Canada Email: lschafer at golden.net Phone, FAX: (519)-894-8870 ______________________________________