Questions tagged [disciplined-quasiconvex-programming]

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3 votes
1 answer

On a clarification on usage of inequalities in convex programming

The inequality $x^3\leq y$ is not convex. But $0<x$ added to the above provides a convex region. My question is whether in convex programming it is allowed to use both inequalities together and use ...
  • 131
2 votes
1 answer

How to minimize a quasi-convex function in 2 dimensions?

I know that if $f$ is a quasi-convex function in one dimension (that is, $f: \mathbb{R} \to \mathbb{R}$), then we can use the 'golden section' line search to find the optimizer. Now suppose I have a ...
5 votes
2 answers

Piecewise linear and global optimization

I am new to OR, and apologies if my mathematical notation is not clear. I have tried my best to keep it concise and given an explanation with numerical data. I would like to understand: Can this ...
  • 81
2 votes
0 answers

How to linearize this multiplicative constraint?

I have a constraint in the form $\sqrt{|\sum_{c\in C}{h_cw_c}|^2}\ge\sqrt{x}\zeta$ Here, $h_c$ is s row vector (know), $w_c$ is a column vector (variable). $x$ and $\zeta$ are also optimization ...
  • 2,179
7 votes
1 answer

Maximizing a Ratio/Percent

I'm using cvxpy to model a problem. Inside a very large and complex LP, I create two continuous, affine (unconstrained) expressions: $x$ and $y$. Due to how they ...