| 单词 | cartesian product |
| 释义 | Cartesian product in British Englishnoun mathematics, logic the set of all ordered pairs of members of two given sets. The product A × B is the set of all pairs <a, b> where a is a member of A and b is a member of B Also called: cross productCartesian product in American Englishnoun Math the collection of all ordered pairs of two given sets such that the first elements of the pairs are chosen from one set and the second elements from the other set: this procedure generalizes to an infinite number of sets Word origin [1955–60]This word is first recorded in the period 1955–60. Other words that entered Englishat around the same time include: backgrounder, cassette, life-support, rite of passage, rollout |
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