Re: Not getting answer to differential equation DSolve expression
- To: mathgroup at smc.vnet.net
- Subject: [mg38077] Re: Not getting answer to differential equation DSolve expression
- From: "Kevin J. McCann" <kjm@KevinMcCann>
- Date: Tue, 3 Dec 2002 04:28:45 -0500 (EST)
- References: <arshgo$e3c$1@smc.vnet.net> <as5pis$ndv$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
This just means that Mathematica can't do it. This looks difficult, nonlinear and all that. Kevin "Stan" <snarten at runbox.com> wrote in message news:as5pis$ndv$1 at smc.vnet.net... > "Diana" <diana53xiii at earthlink.remove13.net> wrote in message news:<arshgo$e3c$1 at smc.vnet.net>... > > Folks, > > > > What does it mean when I submit a differential equation, and the same > > equation appears as the output? > > > > I have tried this equation: > > > > DSolve[y'[x] == (-x^2 + 2 y[x]^(-3))/(2 x y[x] - 3 x^2), y[x], x] > > > > Is it too complicated for the program? > > > > Diana > > Try using NDSolve and put in some BCs, it may not be solvable > analytically, but should be solvable numerically. >