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MST + few Steiner points model
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View ArticleSOS1 sets: when to use them
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Parallel machine scheduling I, two formulations
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View ArticleMathematical Notation
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View ArticleThis is really a modeling issue
In [1], the following scenario is described:A MIP model is solved to delivering a feasible solution.All integer variables are fixed to their levels.The resulting LP model is solved in order to produce...
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Parallel machine scheduling II, three more formulations
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Inverting a matrix by LP
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View ArticleWhat is this BRATIO option in GAMS?
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Clustering models
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Solving linear complementarity problems without an LCP solver
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Total Least Squares: nonconvex optimization
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View ArticlePortfolio optimization with risk as constraint?
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Automatic differentiation and Google
https://syncedreview.com/2021/06/07/deepmind-podracer-tpu-based-rl-frameworks-deliver-exceptional-performance-at-low-cost-35/(The URL seems to have a confusing name: it is about automatic...
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Median, quantiles and quantile regression as linear programming problems
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Arranging points on a line
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Another sports schedule problem
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View ArticleGAMS Singleton Set Issue
There is a nasty problem with the singleton set in GAMS.Consider the small example:set i /i1*i20/;parameter p(i); p(i) = uniform(0,10);* find last element >= 5scalar threshold /5/;singletonset...
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Spatial Equilibrium
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View ArticleA variant of an assignment problem
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A scheduling problem: a modeling approach
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