permutation中文什么意思

[ ˌpə:mju(:)'teiʃən ]发音:

用"permutation"造句

（数学中）排列变化，彻底改变

而不是排列

离子交换使水软化

排列，交换，置换

+更多解释...

gerade permutation even permutation: 偶置换
affine permutation: 仿射置换
all permutation: 全顺列

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例句与用法

The permutation is even if the number of inversions it contains is even .
如果一个排列中含有的反序的个数是偶数，则称它为偶排列。
The stabilizer of the number k, written stk, is the set of all permutations of g that leave k fixed .
G中保持K不变的置换所成之集称为数K的稳定子，记作Stk。
This classification is called the parity of the permutation analogous to the definition of parity of integers .
这种分类叫作置换的奇偶性，类似于整数偶性的定义。
It turns out that all these problems can be solved at once, provided we learn enough about the cycle structure of permutations .
结果是，所有这些问题都可以一次解决，只要我们充分地了解各置换的循环结构。
Single - cycle bit permutations with momr execution
利用momr执行完成单指令周期位置换

英文释义

名词

act of changing the lineal order of objects in a group
complete change in character or condition; "the permutations...taking place in the physical world"- Henry Miller
the act of changing the arrangement of a given number of elements
an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood"
同义词：substitution, transposition, replacement, switch

百科释义

In mathematics, the notion of permutation is used with several slightly different meanings, all related to the act of permuting (rearranging) objects or values. Informally, a permutation of a set of objects is an arrangement of those objects into a particular order.

详细百科解释