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Definition
1. A function whose range is in the real numbers is said to be real function, also called a real-valued function
2. A function in which both, the set of definition and the set of values are subsets of the set of real numbers
Abbreviation
Synonyms
real function
Superterms
functions, sets
Subterms
Sources
http://mathworld.wolfram.com/RealFunction.html (1.); https://www.encyclopediaofmath.org/index.php/Real_function (2.)
Author: Jannis Reißig
