V2EX recurrence relation

Recurrence Relation

定义 Definition

递推关系,也称递归关系。指一种用序列中前面的项来定义后续项的数学等式。在数学和计算机科学中广泛使用,用于描述序列中各项之间的关系。

发音 Pronunciation

/rkrns rlen/

例句 Examples

The Fibonacci sequence is defined by a simple recurrence relation where each number is the sum of the two preceding ones.
斐波那契数列由一个简单的递推关系定义,其中每个数是前两个数之和。

To solve the recurrence relation, we applied the method of characteristic equations and derived a closed-form expression for the general term.
为了求解该递推关系,我们使用了特征方程法,并推导出了通项的封闭形式表达式。

词源 Etymology

recurrence 源自拉丁语 recurrere,意为"跑回来、再次发生",由前缀 re-(再次)和 currere(跑)构成,强调"反复出现"的含义。relation 源自拉丁语 relatio,意为"系、联系"。两词合在一起,描述了数学中一种通过"回溯"前面已知项来确定后续项的关系式。这一术语在17至18世纪随着离散数学和数列分析的发展而被广泛使用。

相关词汇 Related Words

文学与学术引用 Literary & Academic References

  • 《具体数学》(Concrete Mathematics) Ronald Graham, Donald Knuth, Oren Patashnik 著。该书大量讨论了递推关系的求解方法,是计算机科学领域的经典教材。
  • 《算法导论》(Introduction to Algorithms) Thomas Cormen 等著。书中在分析分治算法的时间复杂度时,广泛使用递推关系(如主定理 Master Theorem)。
  • 《分析组合学》(Analytic Combinatorics) Philippe Flajolet, Robert Sedgewick 著。深入探讨了用生成函数求解递推关系的方法。
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