Status: Valid
Owner: ----
Labels: Type-Enhancement Priority-Medium Solvers

New issue 3699 by asmeu...@gmail.com: solve() should be able to tell you when it knows it's found all the solutions
http://code.google.com/p/sympy/issues/detail?id=3699

Currently, solve() has zero guarantees about how many solutions its found. However, in a few cases, we have algorithms that we know are complete, so we can assert with confidence that the solutions returned are all the solutions. We could also do this for simple inversions (e.g., solve(log(x), x)).

What should the API look like for this? The current API is a mess, so this might need to wait on issue 3650. Also, what would be a nice API for inversions? We already have the inverse() method to tell what the inverse function is. This should be generalized for one-to-many functions.

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