Real Function -- from Wolfram MathWorld
- ️Weisstein, Eric W.
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A function whose range is in the real numbers is said to be a real function, also called a real-valued function.
See also
Complex Function, Function, Real Variable, Scalar Function, Vector Function
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Cite this as:
Weisstein, Eric W. "Real Function." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RealFunction.html