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Re: using Dsolve for equation: y'' + |y|^2y=ay

• To: mathgroup at smc.vnet.net
• Subject: [mg84408] Re: using Dsolve for equation: y'' + |y|^2y=ay
• From: kem <kemelmi at gmail.com>
• Date: Fri, 21 Dec 2007 20:41:20 -0500 (EST)
• References: <fkeo6j$2il$1@smc.vnet.net>

On Dec 20, 11:52 pm, kem <keme... at gmail.com> wrote:
> Hi,
>
> Is it possible to use DSolve to solve the equation:  y'' + |y|^2
> y=ay    ?
>
> DSolve[y''[x] + Abs[y[x]]^2 y[x] - a y[x] == 0, y[x], x]
>
> gives some strange solution with symbols like K$1764^2
>
> thanks


I forgot to mention that my solution y is complex ...


Thanks !