84 research outputs found
Discretization of a matrix in the problem of quadratic functional binary minimization
The capability of discretization of matrix elements in the problem of
quadratic functional minimization with linear member built on matrix in
N-dimensional configuration space with discrete coordinates is researched. It
is shown, that optimal procedure of replacement matrix elements by the integer
quantities with the limited number of gradations exist, and the efficient of
minimization does not reduce. Parameter depends on matrix properties, which
allows estimate the capability of using described procedure for given type of
matrix, is found. Computational complexities of algorithm and RAM requirements
are reduced by 16 times, correct using of integer elements allows increase
minimization algorithm speed by the orders.Comment: 11 pages, 4 figures, in Russian languag
Global Minimum Depth In Edwards-Anderson Model
In the literature the most frequently cited data are quite contradictory, and
there is no consensus on the global minimum value of 2D Edwards-Anderson (2D
EA) Ising model. By means of computer simulations, with the help of exact
polynomial Schraudolph-Kamenetsky algorithm, we examined the global minimum
depth in 2D EA-type models. We found a dependence of the global minimum depth
on the dimension of the problem N and obtained its asymptotic value in the
limit . We believe these evaluations can be further used for
examining the behavior of 2D Bayesian models often used in machine learning and
image processing.Comment: 10 pages, 4 figures, 2 tables, submitted to conference on Engineering
Applications of Neural Networks (EANN 2019
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