Real-valued function

In mathematics, a real-valued function or real function is a function whose values are real numbers.

In other words, it is a function that assigns a real number to each member of its domain.

Many important function spaces are defined to consist of real functions.

See also

• Domain of a function)
• Function (mathematics)
• Function space
• Real analysis
• Partial differential equation, a major user of real-valued functions
• Norm (mathematics)
• Scalar (mathematics)

External links

• Real-valued function @ Wikipedia.org