Comment #10 on issue 1234 by asmeu...@gmail.com: solve() should give all
solutions
http://code.google.com/p/sympy/issues/detail?id=1234
As I pointed out somewhere else, an iterator is not very useful if you want
to symbolically manipulate all the solutions at once. In that case, you
really want to be able to get an n*pi, so that you can then do things like
sol = solve(sin(x))
expr.subs(sol)
# See that something happens for *all* solutions of sin(x) = 0. Or just
continue the computation or whatever.
And if we had some kind of Solution object, we could symbolically represent
implicit solutions to equations that aren't algebraically invertible, and
get things like
a = solve(f(x)); a
Solution(f(x), x)
f(x).subs(x, a)
0
(and it could do cooler more nontrivial things too for more complicated
expressions in the second line)
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