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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.
>




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