Negative-Valued Function

A Negative-Valued Function is a numerical function that only produces negative numbers.

• Example(s):
  • [math]\displaystyle{ f(x) = -|x| \; for\; x \ne 0 }[/math],
  • [math]\displaystyle{ f(x) = -x^2 \; for\; x\ne 0 }[/math],
• Counter-Example(s):
  • a Non-Negative Function.
  • a Positive-valued Function.
• See: Additive Inverse Function, Negative Matrix, Non-Positive Function.

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