نتایج جستجو برای: uncertainty polytope
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Lorentzian polynomials, recently introduced by Brändén and Huh, generalize the notion of log-concavity sequences to homogeneous polynomials whose supports are integer points generalized permutahedra. Huh show that normalizations point transforms permutahedra Lorentzian. Moreover, certain projections with zero-one vertices also Taking this polytopal perspective further, we flow polytopes
We consider the longest common subsequence problem (lcs) and a variant of it where each symbol may occur at most once in the common subsequence. The lcs is a well-known problem that can be solved in polynomial time by a dynamic programming algorithm. We provide a complete description of a polytope we associate with the lcs. The integrality of this polytope can be derived by showing that it is i...
The n Birkhoff polytope is the set of all doubly stochastic n × n matrices, that is, those matrices with nonnegative real coefficients in which every row and column sums to one. A wide open problem concerns the volumes of these polytopes, which have been known for n ≤ 8. We present a new, complex-analytic way to compute the Ehrhart polynomial of the Birkhoff polytope, that is, the function coun...
Approximating a given three-dimensional object in order to simplify its handling is a classical topic in computational geometry and related fields. A typical approach is based on incremental approximation algorithms, which start with a small and topologically correct polytope representation (the seed polytope) of a given sample point cloud or input mesh. In addition, a correspondence between th...
abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...
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