정의: In mathematics, a combination is a selection of items from a set that has distinct members, such that the order of selection does not matter. For example, given three fruits, say an apple, an orange and a pear, there are three combinations of two that can be drawn from this set: an apple and a pear; an apple and an orange; or a pear and an orange. More formally, a k-combination of a set S is a subset of k distinct elements of S. So, two combinations are identical if and only if each combination has the same members. If the set has n elements, the number of k-combinations, denoted by or , is equal to the binomial coefficient:
| 핵심 연구 분야 | Analysis |
|---|---|
| 주요 연도 | 2021년 |
| 주요 연관 키워드 | algorithm |
| 좋아요 수 | 0 |