On Nov 17, 2007 10:50 AM, Mansur Marvanov <nanorobocop at gmail.com> wrote:
> But what's the use of form x=somefun(x)?
>
Solve tries to return a simplified version of the original even if it can't
solve it completely. This may sometimes be useful, e.g.:
solve(f(x)^2-1,x) => [f(x) = - 1, f(x) = 1]
It doesn't have any metric for its "simplified" reformulation being simpler
or less simple than the original, however, so it is often useless.
-s