| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024sto•chas•tic (stə kas′tik),USA pronunciation adj. [Statistics.]- Statisticsof or pertaining to a process involving a randomly determined sequence of observations each of which is considered as a sample of one element from a probability distribution.
- Greek stochastikós, equivalent. to stochas- (variant stem of stocházesthai to aim at) + -tikos -tic
- 1655–65
Collins Concise English Dictionary © HarperCollins Publishers:: stochastic /stɒˈkæstɪk/ adj - (of a random variable) having a probability distribution, usually with finite variance
- (of a process) involving a random variable the successive values of which are not independent
- (of a matrix) square with non-negative elements that add to unity in each row
- rare involving conjecture
Etymology: 17th Century: from Greek stokhastikos capable of guessing, from stokhazesthai to aim at, conjecture, from stokhos a target |