V2EX pareto front

Pareto Front

Definition / 定义

Pareto front(帕累托前沿/帕累托前线):在多目标优化中,指一组帕累托最优解的集合。集合中的每个解都满足:在不让至少一个目标变差的情况下,无法让任何一个目标进一步变好(即“不可被其他解同时在所有目标上超越”)。该术语常用于权衡(trade-off)分析,如成本 vs. 质量、速度 vs. 准确率等。

Pronunciation / 发音

/preto frnt/

Examples / 例句

We plotted the Pareto front to compare cost and performance.
我们绘制了帕累托前沿来比较成本与性能。

In multi-objective machine learning, the Pareto front helps us choose a model that balances accuracy, fairness, and inference time without being dominated by another option.
在多目标机器学习中,帕累托前沿帮助我们选择一种在准确率、公平性和推理时间之间取得平衡、且不被其他方案全面压制的模型。

Etymology / 词源

“Pareto”来自意大利经济学家维尔弗雷多帕累托(Vilfredo Pareto)的姓氏,他提出了帕累托改进、帕累托效率等思想;“front”在这里表示一条“前沿边界”。组合起来,“Pareto front”就指多目标权衡空间中由最优权衡解构成的“边界曲线/曲面”。

Related Words / 关词

Literary Works / 文学作品

  • Kalyanmoy Deb,《Multi-Objective Optimization Using Evolutionary Algorithms》系统讨论帕累托最优与帕累托前沿,并以进化算法近似前沿。
  • Carlos A. Coello Coello, Gary B. Lamont, David A. Van Veldhuizen,《Evolutionary Algorithms for Solving Multi-Objective Problems》以“Pareto front”为核心概念讲解多目标进化优化。
  • Panos M. Pardalos, Mauricio G. C. Resende(编),《Handbook of Applied Optimization》在应用优化章节中常以帕累托前沿描述多目标解的集合与选择。
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