Difference between revisions of "Critical point"

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.

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