Optimization Problems
SOCP问题
![[image/Pasted image 20231116141755.png]]
Robust Linear Programming
![[image/Pasted image 20231116141315.png]]
问题:
- 这里有无穷个约束,并且不可明确写出到底是哪些约束
- 所以这个就不是一个线性规划问题了
解决方法: - 取出上确界即可
![[image/Pasted image 20231116141551.png]]
后面那个是由于同方向的时候整个内积取最大值
最后可以化成一个SOCP问题
![[image/Pasted image 20231116141659.png]]
Geometric Programming
Monomial Function(单项式)
![[image/Pasted image 20231116141938.png]]
Posynomial Function(正项式)
![[image/Pasted image 20231116142008.png]]
GP问题(几何优化问题)
![[image/Pasted image 20231116142059.png]]
等价问题
![[image/Pasted image 20231116142312.png]]
- 第一个成立是因为如果
是单项式, 一定可以约分
转换为凸优化问题
单项式和正项式的转化:取
![[image/Pasted image 20231116142643.png]]
改变形式为
![[image/Pasted image 20231116142845.png]]
所以下面这个问题就是凸优化问题了
Generalized Inequality Constraints(广义优化问题)
![[image/Pasted image 20231116143303.png]]
Conic Form Problems
![[image/Pasted image 20231116143720.png]]
标准形式
![[image/Pasted image 20231116143826.png]]
SDP问题
![[image/Pasted image 20231116143939.png]]
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