“derangement”的概念、定义、翻译、参考文献-科学参考

单词	derangement
释义	derangement Mathematics A rearrangement (or permutation) in which no object returns to its original place. By the inclusion-exclusion principle, there are $n! (1 - \frac{1}{2!} + \frac{1}{3!} - \dots + \frac{{(- 1)}^{n + 1}}{n!})$ derangements of a set of n elements.
随便看	Sojourner sol sola solar abundance of elements illuviation ill‐conditioned ilmenite IM Im IMA iMac IMAGE image image attenuation constant image capture image charge image compression image converter image display image dissector image file format image filter image force image-force lowering image format

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