Re: any free C/C++ library to solve n-order linear ode

[Stephen Montgomery-Smith]

__saint wrote:
> Hi everyone.
>
> Are there any free C/C++ library to solve n-order linear ode given in a
> common form with its coefficients? I know that gsl (GNU Scientific
> Library) can solve systems of first-order ode's, but I can't find some
> algorithm that can automatically convert an n-order linear ode in
> common form to a system of  ode's. Could anyone tells me about such
> librarry or suggest some algorithm?
>
> Thanks in advance.

Converting an nth order ode to a system of 1st order ode's is so 
straightforward, that in effect, the gls program you mention is also 
going to be an out of the box method to solve nth order ode's.