Re: Is this so hard?
- To: mathgroup at smc.vnet.net
- Subject: [mg95298] Re: Is this so hard?
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 14 Jan 2009 05:56:00 -0500 (EST)
- References: <gkgpb7$40d$1@smc.vnet.net>
Hi,
from
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
conditions.
Regards
Jens
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.
>