real-valued (notcomparable)

1. (mathematical analysis, of afunction) Having only real values: having as itscodomain the set ofreal numbers or a subset thereof.

• Though logically it would seem thatreal-valued should contrast only withcomplex-valued,vector-valued, and so on, in practice it frequently also contrasts withinteger-valued. (This may be seen as an example ofQ-based narrowing.)

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