MathGroup Archive 2009

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Is this so hard?


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.
> 


  • Prev by Date: Re: inverting Laplace transforms
  • Next by Date: How to modify an Excel file
  • Previous by thread: Re: Is this so hard?
  • Next by thread: Re: Is this so hard?