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Say that I have a binary IP$$z=max_x {c^top x: Ax=b, xin B^n}$$where $B^n$ is the set of $n$-dimensional $0-1$ vectors.Its LP relaxation will...
Asked on 08/19/2021 by k88074
2 answerI have been working on a combinatorial optimization problem which can be modeled as an integer linear programming. I implemented it as a c++ project in visual studio 2017 and...
Asked on 08/19/2021 by Mengfan Ma
1 answerLet $yinmathbb{R}^m$, $tauinmathbb{R}$ and $Xinmathbb{R}^{mtimes n}$, with $tau>0$ I would like to efficiently solve the following problem:Problem 1Choose $alpha,zinmathbb{R}^m,betainmathbb{R}^n$ to minimize:$$(y-alpha)^top (y-alpha)...
Asked on 08/19/2021 by cfp
2 answerI'm trying to implement either one of these objective functions, but I'm having a hard time with the squared terms. I'm attaching both so you can take a look at...
Asked on 08/19/2021 by PoofyBridge
1 answerIf two M/M/1 queues with arrival rate $lambda$ and service rate $mu$ are working independently. Is the system equivalent to a single M/M/1 queue with arrival rate ...
Asked on 08/19/2021 by cookiemonster
0 answerI have a single worker that can work on N different tasks, but his total time T is limited. Let's assume time is in steps of 10 minutes (1 step...
Asked on 08/19/2021 by Dirk Nachbar
0 answerAssume we are given a directed acyclic graph (DAG) $G(V, A)$, where $|V| = n, |A| = m$, and the graph contains a source node $mathbf{s}$ (i.e....
Asked on 08/19/2021 by batwing
1 answerIs the solution to an MINLP problem the global optimum to this problem?...
Asked on 08/19/2021 by Clement
2 answerI would like to choose a set of $beta_j$s that maximizes a simple linear objective function of the type $$underset{beta_j}{operatorname{max}}sum_{j=1}^{J}X_jbeta_j \$$ subject to the following constraints...
Asked on 08/19/2021 by FightMilk
2 answerSome time ago, I wrote this answer: https://or.stackexchange.com/a/3323/405 to a question here on this stack exchange. I've had similar discussions with colleges, but I never found anything written down...
Asked on 08/19/2021 by Luke599999
2 answerGet help from others!
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