On 1/25/07, Dan Solomon <Daniel.L.Solomon at nasa.gov> wrote:
> It is often convenient to express a linear vector ODE in matrix form,
> dxdt = A.x, which works if A is a square matrix and x & dxdt are
> column vectors. But you know that. Are you pointing out that the
> tools in Maxima can deal with things either way? That rk(dxdt, x,
> init, [t,0,1,.1]) will work as long as dxdt, x, and init are all
> column vectors or all row vectors?
In Maxima, lists are quite distinct from matrices.
I'm pretty sure rk works OK if arguments are lists and
probably not if arguments are matrices.
HTH
Robert