Difference between revisions of "Constant function"

 
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A '''constant function''' is a [[function]] which has a [[constant]] output: the value of the function does not depend on the value of its input.  Equivalently, a constant function is a function whose [[range]] has only a single value.
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A '''constant function''' is a [[function]] which has a [[constant]] output: the value of the function does not depend on the value of its input.  Equivalently, a constant function is a function whose [[range]] has only a single value. For example, <math>f(x)=4</math> is a constant function, and so is <math>g(x)=\log_{34} </math>e^{\pi-\frac{1}{2}$.
  
 
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Revision as of 14:30, 9 February 2008

A constant function is a function which has a constant output: the value of the function does not depend on the value of its input. Equivalently, a constant function is a function whose range has only a single value. For example, $f(x)=4$ is a constant function, and so is $g(x)=\log_{34}$e^{\pi-\frac{1}{2}$.

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