Squaring Function

A Squaring Function is a numeric function that ...

• AKA: Square.
• Context:
  • It can be represented as [math]\displaystyle{ f(x) = x^2 }[/math]
  • It can produce a Squared Value.
• Example(s):
  • Squared Error Function.
  • …
• Counter-Example(s):
  • a Cubic Function.
  • a Polynomial Function.
  • a Logarithm Function.
• See: Squared Error.

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References

2009

• http://en.wikipedia.org/wiki/Function_%28mathematics%29
  • … For instance, a codomain of the function squaring real numbers [math]\displaystyle{ f(x)=x^2 }[/math] usually is defined to be the set of all real numbers. The function [math]\displaystyle{ f }[/math] does not have the real numbers [math]\displaystyle{ -1, -2, -3 }[/math] as outputs, thus they are in its codomain but not in its image. ...

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