鞍点

saddle point (math.), a critical point of a function of several variables that is neither a maximum nor a minimum

graphic variant of 鞍[an1]

saddle

point / dot / drop / speck / o'clock / point (in space or time) / to draw a dot / to check on a list / to choose / to order (food in a restaurant) / to touch briefly / to hint / to light / to ignite / to pour a liquid drop by drop / (old) one fifth of a two-hour watch 更[geng1] / dot stroke in Chinese characters / classifier for items