Questions tagged [modelling]
Questions on how to represent real-world or non computer science problems with computer science tools.
8
questions
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Peer grading design - choosing a graph, to get accurate rankings/ratings
Background. I am writing some code for semi-automated grading, using peer grading as part of the grading process. Students are given pairs of essays at a time, and the students have a slider to choose ...
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29
votes
4
answers
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How to determine likely connections in a social network?
I am curious in determining an approach to tackling a "suggested friends" algorithm.
Facebook has a feature in which it will recommended individuals to you which it thinks you may be acquainted with. ...
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24
votes
8
answers
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What randomness really is
I'm a Computer Science student and am currently enrolled in System Simulation & Modelling course. It involves dealing with everyday systems around us and simulating them in different scenarios by ...
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votes
2
answers
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How to impose Euclidean distance constraint in a constraint satisfaction problem without quadratic constraints?
Best reference I could find is this one. However, I could not quite understand this one since there is no numerical example.
What I am trying to achieve with one sentence
How can I answer the ...
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4
votes
2
answers
586
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Dynamic Shortest Path with Linear Programming
Consider a grid with $x=5$ columns, $y=5$ rows, and $T$ timesteps.
There are $N=2$ agents in this grid, which can move vertically or horizontally. The positions of each agent $x$ at timestep $t$ is ...
- 160
2
votes
1
answer
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System Identification vs Machine Learning for dynamic system modelling
So I found another discussion regarding this, but the answers did not fully separate the differenced between SID and ML. Hopefully a discussion here can shed some light on some larger differences both ...
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1
vote
1
answer
165
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Requiring at least one alldiff constraint to be satisfied converted to SAT
For generating certain hard puzzles, I am trying to model a problem (ultimately) in SAT. I don't know how to do that, so I am starting with CSP because it's more expressive. In CSP, there is a global ...
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vote
0
answers
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Restriction for greater than constraint in linear programming
I have a model that considers real values and that uses a binary variable $x$. In this model, the following conditions should apply:
\begin{equation}
x=
\begin{cases}
0, & \text{if}\...
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