Definition of "mathematical function" [mathematical function]

• (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function) (noun)

WordNet. Princeton University. 2010.

• "* It is always possible that a more complicated mathematical function than a hyperbola would give an even closer fit to the data, but this hyperbola is pretty good, so it hardly seems worth bothering to try."
• "You remember, when I introduced the hyperbola, I said it might be possible to find a more complicated mathematical function that would fit the data better."