V2EX heuristic

Heuristic

释义 Definition

heuristic(启发式的)指一种以经验法则、直觉或“试探改进”的方式来快速找到可行解的方法或思路,常用于问题求解、学习与算法中;它不保证最优,但通常更高效、实用。

发音 Pronunciation

/jurstk/

例句 Examples

A simple heuristic is to start with the easiest task first.
一个简单的启发式方法是先从最容易的任务开始。

The search algorithm uses a heuristic to estimate which path is most promising, even though it cannot guarantee the best solution.
该搜索算法使用启发式方法来估计哪条路径最有希望,尽管它不能保证得到最优解。

词源 Etymology

源自希腊语 heuriskein,意为“发现、找到”。与“灵感式地找到答案”相关,因此在现代英语里常指“帮助发现/引导找到解决方案的策略”,尤其在认知心理学与计算机科学中使用频繁。

相关词 Related Words

文学与著名作品 Literary Works

  • George Pólya, How to Solve It(讨论“启发式”解题策略的经典著作)
  • Daniel Kahneman, Thinking, Fast and Slow(涉及启发式与偏差:heuristics and biases)
  • Thomas H. Cormen et al., Introduction to Algorithms(算法教材中常出现 heuristic 一词,用于描述不保证最优的实用方法)
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