Function Notation in Real Numbers: What Does it Mean?

[HasuChObe]

$$f: ℝ^n→ℝ\qquad g: ℝ^n→ℝ^m$$

 

[dextercioby]

Mappings or functions from a set to another set, and the sets are cartesian products of R 1, n and m times respectively.

 

[Akshay_Anti]

if R is raised to power 2, it means R X R and the cartesian product. what about R power n? Plz explain...

 

[Number Nine]

if R is raised to power 2, it means R X R and the cartesian product. what about R power n? Plz explain...

The product of n copies of R, as dextercioby said.