RE: Peculiar output from DSolve

*To*: mathgroup at smc.vnet.net*Subject*: [mg37004] RE: [mg36994] Peculiar output from DSolve*From*: "DrBob" <drbob at bigfoot.com>*Date*: Sun, 6 Oct 2002 05:32:44 -0400 (EDT)*Reply-to*: <drbob at bigfoot.com>*Sender*: owner-wri-mathgroup at wolfram.com

It isn't so. The solution is an arbitrary function of (1/2)*(x^2 + y^2)]}}. Bobby -----Original Message----- From: Selwyn Hollis [mailto:selwynh at earthlink.net] To: mathgroup at smc.vnet.net Subject: [mg37004] [mg36994] Peculiar output from DSolve In: DSolve[y*D[u[x, y],x] == x*D[u[x, y],y], u[x,y], {x, y}] Out: {{u[x, y] -> C[1][(1/2)*(x^2 + y^2)]}} Square brackets are used as grouping symbols in the result!?? :^O Somebody say it isn't so. --- Selwyn Hollis