Difference between revisions of "Critical point"

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A '''critical point''' of a function <math>\displaystyle f(x)</math> is a point <math>\displaystyle (x,f(x))</math> for which <math>\displaystyle f'(x)</math> is not defined, or is equal to zero.
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A '''critical point''' of a [[function]] <math>f(x)</math> is a point <math>(k,f(k))</math> for which the [[derivative]] <math>f'(k)</math> is not defined or is equal to [[zero (constant)| zero]].
 
 
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===See also===
 
===See also===
 
* [[Calculus]]
 
* [[Calculus]]
* [[Derivative]]
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* [[Function]]
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[[Category:Definition]]

Latest revision as of 20:27, 23 April 2008

A critical point of a function $f(x)$ is a point $(k,f(k))$ for which the derivative $f'(k)$ is not defined or is equal to zero.

See also

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