V2EX second-order cone programming

Second-Order Cone Programming

定义 Definition

二阶锥规划(SOCP):一种凸优化问题,把约束写成“二阶锥(又称洛伦兹锥/冰淇淋锥)”形式,从而可以用高效的内点法等算法求解。它介于线性规划(LP)与更一般的半正定规划(SDP)之间,常用于工程设计、控制、信号处理与金融风险约束等。

发音 Pronunciation (IPA)

/sknd rdr kon prorm/

例句 Examples

We solved the portfolio problem using second-order cone programming.
我们用二阶锥规划求解了这个投资组合问题。

By reformulating the robust constraints, the control design becomes a second-order cone programming model that can be solved efficiently.
通过把鲁棒约束重新表述,控制器设计就变成了一个可高效求解的二阶锥规划模型。

词源 Etymology

second-order(二阶)”在这里指约束中常出现的平方和/二次项(例如向量范数);“cone(锥)”来自几何形状满足 |x| ≤ t 的点集在空间里呈“锥形”;“programming”在化领域传统上指“规划/优化求解”,并非编程写代码。该术语在现代凸优化与内点法发展中逐渐固定,用来指以二阶锥为基本约束构件的一类凸优化。

相关词 Related Words

文学与名著用例 Literary Works

  • Convex Optimization Stephen Boyd & Lieven Vandenberghe(系统介绍 SOCP 及其建模与算法)
  • Interior-Point Polynomial Algorithms in Convex Programming Yurii Nesterov & Arkadii Nemirovskii(凸规划与内点法的经典著作,涵盖锥规划框架)
  • Lectures on Modern Convex Optimization Aharon Ben-Tal & Arkadi Nemirovski(现代凸优化教材,包含二阶锥/锥规划相关内容)
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