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Re: Is this so hard?

  • To: mathgroup at
  • Subject: [mg95298] Re: Is this so hard?
  • From: Jens-Peer Kuska <kuska at>
  • Date: Wed, 14 Jan 2009 05:56:00 -0500 (EST)
  • References: <gkgpb7$40d$>



sol = DSolve[x''[t] == 1/x[t]^2, x, t]

one can see, that DSolve[] end up with an implict
function that can't be extracted and so
it can't find a solution that fulfill the initial


cool-RR wrote:
> Hey all,
> I gave DSolve this thing:
> DSolve[{x''[t] == 1/x[t]^2, x[0] == -1}, x, t]
> It made it think and think until it crashed.
> Is this DE so hard? I figured it was something basic.
> Thanks,
> Ram.

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