noun
stationary point
Mathematical term for a point on a curve where the derivative is zero; includes local maxima, minima, and saddle points.
関数の停留点を求めるには、導関数がゼロになる点を探します。
To find the stationary points of a function, look for points where the derivative is zero.
Compound of 停留 (stay, stop) and 点 (point), directly translating the mathematical concept of a stationary point.