网络交换;变换;彻底改变 复数:permutations 同义词 n. variation,transformation,change,version,arrangement 权威英汉双解 英汉 英英 网络释义 permutation 显示所有例句 n. 1. 排列(方式);组合(方式);置换any of the different ways in which a set of things can be ordered...
The symmetry group is thepermutationgroup acting to exchange particles of the same type. 在对称组排列组表演交换微粒的同类型. 期刊摘选 Unique because that particularpermutationhas not appeared before. 之所以独一无二,是因为那种独特的基因排列组合以前不曾出现过. ...
Permutationhas not changed all that much since it was borrowed into Middle English from Anglo-French aspermutacioun, meaning "exchange, transformation."Permutaciountraces back to the Latin verbpermutare, meaning "to change thoroughly, exchange," and ultimately derives from the Latinmutare, "to cha...
奇排列 (Odd permutation):若一个排列的逆序数为奇数,则称它为奇排列。 偶排列 (Even permutation):若一个排列的逆序数为偶数,则称它为偶排列。 排列的符号:一个排列 σ 的符号 (Sign) 定义为 sgn(σ)=(−1)N(σ),即,奇排列的符号为 -1,偶排列的符号为 1。Permutation...
permutation的中文解释沪江词库精选permutation是什么意思、英语单词推荐、用法及解释 英音 [ˌpə:mju'teiʃn] ; 美音 [ˌpə:mju'teiʃn] ; 名词 排列(方式);组合(方式);置换 英语解释 an event in which one thing is substituted for another the act of changing the arrangement of a ...
permutation (ˌpɜːmjʊˈteɪʃən) n 1.(Mathematics)maths a.an ordered arrangement of the numbers, terms, etc, of a set into specified groups:the permutations of a, b, and c, taken two at a time, are ab, ba, ac, ca, bc, cb. ...
A permutation is a change or variation, like the many possible permutations of hair color you get when you start experimenting with different dyes.Permutation is made of the prefix per for "thoroughly" and mutation, which means “change.” A permutation is a thorough change of something, like...
当n>1时,Permutation(R)由(r1)Permutation(R1),(r2)Permutation(R2), ..., (rn)Permutation(Rn)构成。 依次递归定义,则可设计产生Permutation(X)的递归算法如下: template <typename Type> void permutation(Type *array, int front, int last)
" and ultimately derives from the Latinmutare, "to change." Other descendants ofmutarein English includecommute,mutant, andmutual.Permutationalso has a specific application in the field of mathematics relating to the ordering of a given set of objects. For example, permutations of itemsa,b, and...
类似地,也可以采用 bootstrap 模拟程序。在这里,不会对观测数据重新排序,而是基于这一集合的经验分布,从样本中重复抽样进行推断。某种意义上,bootstrap 和 permutation 分别对应于在有替换和无替换的情况下从经验分布中均匀随机地选择值。更多详细介绍,请参考 Manly (2007) 的 permutations 方法,Davison 和 Hinkley (...