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Real function

From Encyclopedia of Mathematics
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A function for which both the set of definition and the set of values are subsets of the set of real numbers.


Comments

So, a real function is understood to be a real-valued function on a subset of the real numbers. In the Western literature, "real" most often simply means "real-valued" .

How to Cite This Entry:
Real function. L.D. Kudryavtsev (originator), Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=Real_function&oldid=17448
This text originally appeared in Encyclopedia of Mathematics - ISBN 1402006098