# Questions tagged [continuous-optimization]

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### Can we use continuous variables instead of binary variables in this NLP problem?

The following problem is defined with binary variables $a_{i1}, a_{i2}, a_{i3}, k_1$ and $k_2$. Is it possible to avoid binary variables and to only work with continuous variables? How would we ought ...
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### Assignment Problem with continuous decision variable

I have to solve a problem from industry where there are a number of machines which should be assigned to a number of tasks. The difference from the general assignment problem is tough, that the ...
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### Represent the minimum between two terms as a continuous constraint

Let's consider the following minimization problem: \begin{align} \min_{x,a,b}&\quad X\tag1\\ \text{s.t.}&\quad X = \min(A,B)\tag2\end{align} with $A,B$ functions that depend on $X$. Is there a ...
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### Continuous water-filling optimization problem

Disclaimer: this question has been previously posted on Math StackExchange. I reposted it here since I did not receive any satisfactory answer there and a user suggested to re-post it here. Let \$x\in\...