List questions from discrete-optimization

Published on 24 Mar 2026 - 15:45

30

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Show that the set of nonpositive rational numbers is countable

Published on 24 Mar 2026 - 15:03

124

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Trying to formulate optimization problems as a linear program (LP) or a quadratic program (QP)

Published on 22 Mar 2026 - 13:19

20

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need help (or literature) with an optimization problem

Published on 24 Mar 2026 - 0:56

91

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Best way to divide multiple equal groups into known unequal groups. Christmas Lights

Published on 24 Mar 2026 - 7:38

182

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Limitations of SDP

Published on 24 Mar 2026 - 21:59

131

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What is the biggest possible sum $|X_1-X_2|+|X_2-X_3|+\cdots+|X_{n-1}-X_n|$ where $X_1,X_2,\cdots,X_n$ are first $n$ positive integers?

Published on 25 Mar 2026 - 7:45

112

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Maximise $z = \frac{y}{2x+2y}+\frac{50-y}{200-2x-2y}$ given that $x+y$ is non zero and $x+y<100$. Also, $x\leq50$ and $y\leq50$ and non-negative.

Published on 23 Mar 2026 - 19:09

271

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What is the maximum value of $x^TAx$ subject to $x\in\{\pm1\}^n$?

Published on 25 Mar 2026 - 16:08

44

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Production time optimization model

Published on 16 Nov 2018 - 16:03

34

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Searching Solver for a convex seperable Integer programm

Published on 23 Mar 2026 - 22:08

42

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Solving motion equations using linear programming

Published on 24 Mar 2026 - 6:32

40

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Is it possible to turn this into a (standard) integer convex knapsack problem?

Published on 24 Mar 2026 - 4:42

152

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How to find a spanning tree?

Published on 24 Mar 2026 - 10:34

36

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Ordering tours in a Euclidean TSP according to (strictly) increasing length

Published on 24 Mar 2026 - 11:37

List Question

How to find the modules of a big number with a big powe ??

Show that the set of nonpositive rational numbers is countable

Trying to formulate optimization problems as a linear program (LP) or a quadratic program (QP)

need help (or literature) with an optimization problem

Best way to divide multiple equal groups into known unequal groups. Christmas Lights

Limitations of SDP

What is the biggest possible sum $|X_1-X_2|+|X_2-X_3|+\cdots+|X_{n-1}-X_n|$ where $X_1,X_2,\cdots,X_n$ are first $n$ positive integers?

Maximise $z = \frac{y}{2x+2y}+\frac{50-y}{200-2x-2y}$ given that $x+y$ is non zero and $x+y<100$. Also, $x\leq50$ and $y\leq50$ and non-negative.

What is the maximum value of $x^TAx$ subject to $x\in\{\pm1\}^n$?

Production time optimization model

Searching Solver for a convex seperable Integer programm

Solving motion equations using linear programming

Is it possible to turn this into a (standard) integer convex knapsack problem?

How to find a spanning tree?

Ordering tours in a Euclidean TSP according to (strictly) increasing length

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