saddle point

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English[edit]

A graph of z=x^2-y^2, with a saddle point marked in red.

Noun[edit]

saddle point (plural saddle points)

  1. A point in the range of a smooth function every neighborhood of which contains points on each side of its tangent plane.
  2. (game theory) Such a point in the graphical representation of the possible outcomes of a game

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