in reply to Estimating continuous functions
If you're trying to approximate a function f: R -> R with a polynomial, which is a pretty limited approach but usually a good start, you could have a look at Math::Approx and Math::Approx::Symbolic.
An Englishman in New York
An American Werewolf in London
An American in Paris
The Innocents Abroad
An Idiot Abroad
Robinson Crusoe on Mars
A Connecticut_Yankee in King Arthur's Court
There and Back Again
Travels into Several Remote Nations of the World
Results (84 votes). Check out past polls.