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Advanced Search Results For "EXTREME value theory"

1 - 10 of 7,723 results for
 "EXTREME value theory"
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Analysis and mathematical modeling for flood surveillance from rainfall by Extreme Values Theory for agriculture in Phitsanulok Province, Thailand.

Publication Type: Academic Journal

Source(s): European Journal of Pure & Applied Mathematics. Oct2022, Vol. 15 Issue 4, p1797-1807. 11p.

Abstract: Attempts to use the generalized extreme value distribution and generalized Pareto distribution with the maximum likelihood estimates on the extreme rainfall data at one weather station over Phitsanulok province. This paper gathered the rainfall data fr...

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MULTIMOORA Method for Addressing Security Algorithms Evaluation Problem under q-Rung Orthopair Fuzzy Environment.

Publication Type: Academic Journal

Source(s): Mathematical Problems in Engineering. 8/9/2022, p1-30. 30p.

Abstract: How to determine a suitable security algorithm for a special application scenario is a complex problem. In this paper, this complex problem is formulated as a multicriteria decision-making (MCDM) problem, and we propose a novel MULTIMOORA (multiobjecti...

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Porcellio scaber Algorithm with t-Distributed Elite Mutation for Global Optimization.

Publication Type: Academic Journal

Source(s): Scientific Programming. 6/28/2022, p1-17. 17p.

Abstract: As the convergence accuracy of the Porcellio scaber algorithm (PSA) is low, this study proposes an improved algorithm based on the t-distribution elite mutation mechanism. First, the improved algorithm applies a t-distribution mutation to each dimensio...

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Space-Time Trend Detection and Dependence Modeling in Extreme Event Approaches by Functional Peaks-Over-Thresholds: Application to Precipitation in Burkina Faso.

Publication Type: Academic Journal

Source(s): International Journal of Mathematics & Mathematical Sciences. 6/8/2022, p1-12. 12p.

Abstract: In this paper, we propose a new method for estimating trends in extreme spatiotemporal processes using both information from marginal distributions and dependence structure. We combine two statistical approaches of an extreme value theory: the temporal...

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An Improved Particle Swarm Optimization Algorithm and Its Application to the Extreme Value Optimization Problem of Multivariable Function.

Publication Type: Academic Journal

Source(s): Computational Intelligence & Neuroscience. 5/13/2022, p1-9. 9p.

Authors:

Abstract: It is proposed to improve the study of particle optimization and its application in order to solve the problem of inefficiency and lack of local optimization skills in the use of particle herd optimization. Firstly, the basic principle, mathematical de...

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Regression-type analysis for multivariate extreme values.

Publication Type: Academic Journal

Source(s): Extremes. Dec2022, Vol. 25 Issue 4, p595-622. 28p.

Abstract: This paper devises a regression-type model for the situation where both the response and covariates are extreme. The proposed approach is designed for the setting where the response and covariates are modeled as multivariate extreme values, and thus co...

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Efficient Estimators of Finite Population Mean Based on Extreme Values in Simple Random Sampling.

Publication Type: Academic Journal

Source(s): Mathematical Problems in Engineering. 5/11/2022, p1-9. 9p.

Abstract: The use of extreme values of the auxiliary variable is sometimes more beneficial to get the high efficiency of the estimators, and the study variable can have a correlation with the rank of the decently correlated auxiliary variable. As a result, it ca...

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Research on WiFi Location Fingerprint Positioning Algorithm Based on DPC-FCM Clustering.

Publication Type: Academic Journal

Source(s): Wireless Communications & Mobile Computing. 5/11/2022, p1-7. 7p.

Abstract: Aiming at the cost factors and difficulty of wireless positioning technology deployment, as well as the mismatch of similar fingerprints in RSS (received signal strength) indoor fingerprint positioning, the WiFi location fingerprint positioning algorit...

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Copula-based measures of asymmetry between the lower and upper tail probabilities.

Publication Type: Academic Journal

Source(s): Statistical Papers. Dec2022, Vol. 63 Issue 6, p1907-1929. 23p.

Abstract: We propose a copula-based measure of asymmetry between the lower and upper tail probabilities of bivariate distributions. The proposed measure has a simple form and possesses some desirable properties as a measure of asymmetry. The limit of the propose...

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Three‐dimensional lattice ground states for Riesz and Lennard‐Jones–type energies.

Publication Type: Academic Journal

Source(s): Studies in Applied Mathematics. Jan2023, Vol. 150 Issue 1, p69-91. 23p.

Abstract: The Riesz potential fs(r)=r−s$f_s(r)=r^{-s}$ is known to be an important building block of many interactions, including Lennard‐Jones–type potentials fn,mLJ(r):=ar−n−br−m$f_{n,m}^{\rm {LJ}}(r):=a r^{-n}-b r^{-m}$, n>m$n>m$ that are widely used in molec...

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