A point 
at which the derivative of a function 
vanishes,
 |
A stationary point may be a minimum, maximum, or inflection point.
Stationary Point
See also
Critical Point, Derivative, Extremum, First Derivative Test, Inflection Point, Maximum, Minimum, Second Derivative TestExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Stationary Point." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/StationaryPoint.html