Last Updated：2025/11/24

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(geometry) A point in the range of a smooth function, every neighbourhood of which contains points on each side of its tangent plane.

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saddle point

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Source Word

saddle point

Noun

Japanese Meaning

滑らかな関数の定義域内において、その点のどの近傍にも接平面の両側に値が存在する、いわゆる鞍型の点（局所的最小値でも最大値でもない点）

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During the topological analysis, we encountered a saddle point on the surface, which complicated the classification because every neighbourhood of it contained points on both sides of its tangent plane.

Google Translation / DeepL Translation

位相解析の過程で表面上の鞍点を見つけ、分類が複雑になった。鞍点とは滑らかな関数の像にある点で、その任意の近傍が接平面の両側に点を含むため、局所的な極大でも極小でもない点のことだ。

Details

Sense（1）

Sense（2）

(game theory) Such a point in the graphical representation of the possible outcomes of a game.

saddle points

（ plural ）

Details

saddle point

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saddle point

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