| 释义 |
stationary point
stationary point n 1. (Mathematics) a point on a curve at which the tangent is either horizontal or vertical, such as a maximum, a minimum, or a point of inflection 2. (Astronomy) astronomy a point in the apparent path of a planet when it reverses direction Translationsstationary point
stationary point See direct motion.stationary point[′stā·shə‚ner·ē ′pȯint] (astronomy) A point at which a planet's apparent motion changes from direct to retrograde motion, or vice versa. (mathematics) A point on a curve at which the tangent is horizontal. For a function of several variables, a point at which all partial derivatives are 0. |