【学习笔记】数学规划 Posted on 2025-02-26 Edited on 2025-03-10 In Math 听不懂 /cy Lecture 3 nnn dim 非负锥:R+n={x∈Rn:x≥0}\mathbb{R}_+^n=\{ \mathbb{x} \in \mathbb{R}^n : \mathbb{x} \ge \mathbb{0} \}R+n={x∈Rn:x≥0} Second-Order Cone (SOC, 二阶锥):R+n+1={(t,x)∈Rn+1:t≥∥x∥2}\mathbb{R}^{n+1}_+ = \{ (t, \mathbb{x}) \in \mathbb{R}^{n+1} : t \ge \|\mathbb{x}\|_2 \}R+n+1={(t,x)∈Rn+1:t≥∥x∥2} 二阶锥是 Self-Dual Cone