Concept information
Preferred term
saddle point
Definition(s)
-
In mathematics, a saddle point or minimax point is a point on the surface of the graph of a function where the slopes (derivatives) in orthogonal directions are all zero (a critical point), but which is not a local extremum of the function. An example of a saddle point is when there is a critical point with a relative minimum along one axial direction (between peaks) and at a relative maximum along the crossing axis. However, a saddle point need not be in this form. For example, the function has a critical point at that is a saddle point since it is neither a relative maximum nor relative minimum, but it does not have a relative maximum or relative minimum in the -direction.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Saddle_point)
Broader concept(s)
Synonym(s)
- minimax point
In other languages
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French
-
point-selle
URI
http://data.loterre.fr/ark:/67375/PSR-WTHH9Q9G-S
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