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Advanced Search Results For "MATHEMATICAL models"

1 - 10 of 528,640 results for
 "MATHEMATICAL models"
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Construction of Mathematical Model of Logistics Delivering Based on Intelligent Mobilization.

Publication Type:Academic Journal

Source(s):Journal of Function Spaces. 9/12/2022, p1-11. 11p.

Abstract:Distribution process is the core of logistics enterprise system. Efficient distribution process is the key for enterprises to improve logistics service level, gain competitive advantage, and win customers. In order to reduce the design error of the sys...

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基于 IMOFA 的航空发动机管路多目标优化布局.

Publication Type:Academic Journal

Source(s):Journal of Northeastern University (Natural Science). Aug2022, Vol. 43 Issue 8, p1120-1126. 7p.

Abstract:针对航空发动机管路布局目前存在的问题ꎬ提出一种基于改进多目标萤火虫算法( improved multi-objective fire flyalgorithm-IMOFA )的航空发动机管路多目标优化布局方法. 在该方法中ꎬ首先以管路长 度最短、弯头数最少以及能量值最小为优化目标ꎬ建立了航空发动机管路多目标优化布局数学模型. 然后ꎬ结 合自适应扰动策略和精英策略ꎬ提出了一种应用于航空发动机管路多目标优化布局的改进多目标萤火虫算 法ꎬ从而实现了航空发动机管路的多目标优化布局. 最后ꎬ通过实例验证了所提...

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Hedera Nepalensis Cutting Propagation Based on Fractal Theory for Promoting Green Environment.

Publication Type:Academic Journal

Source(s):Mathematical Problems in Engineering. 8/12/2022, p1-11. 11p.

Abstract:The green environment is the need of the hour. There are many techniques opted by the agriculture experts for Hedera nepalensis cutting propagation. In order to simulate the propagation pattern of Hedera nepalensis cuttings more vividly, the simulation...

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Mathematical Modeling Analysis of Data Attribute Encryption for Robot.

Publication Type:Academic Journal

Source(s):Journal of Sensors. 7/23/2022, p1-8. 8p.

Abstract:Encrypting data based on the data attributes of robots is one of the effective methods to control access users in the data outsourcing environment. Therefore, a mathematical modeling method of robot data attribute encryption based on data redundancy el...

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An Empirical Study on Coordinated Development between Ecological Environment and Regional Economy by Big Data Mathematical Model Analysis in Tibetan Area.

Publication Type:Academic Journal

Source(s):Mathematical Problems in Engineering. 7/20/2022, p1-10. 10p.

Abstract:The cold and high altitude Tibetan area (hereinafter referred to as Tibetan area) is a special geographical area in western China. Whether the local economic development and EE (ecological environment) are coordinated or not directly affects the sustai...

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Mathematical Modeling and Computational Prediction of High-Risk Types of Human Papillomaviruses.

Publication Type:Academic Journal

Source(s):Computational & Mathematical Methods in Medicine. 7/21/2022, p1-11. 11p.

Abstract:Cervical cancer is one of the main causes of cancer death all over the world. Most diseases such as cervical epithelial atypical hyperplasia and invasive cervical cancer are closely related to the continuous infection of high-risk types of human papill...

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Evaluation of Mathematical Models for Teaching Precision in the Framework of Big Data.

Publication Type:Academic Journal

Source(s):Journal of Function Spaces. 7/12/2022, p1-11. 11p.

Abstract:With the continuous development and application of data computing in the whole society in the construction of digital campus and intelligent campus of each higher education institution. In the environment of education, universities use these data well,...

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A Robust Multiobjective Mathematical Model Optimizing Stock Portfolio.

Publication Type:Academic Journal

Source(s):Discrete Dynamics in Nature & Society. 9/14/2022, p1-8. 8p.

Abstract:The present paper investigates the problem of capital portfolio selection under uncertain conditions and uses a robust optimization approach for modeling. The model provided in this paper is a three-objective model that aims to maximize returns, maximi...

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Eigenvalues of the (p, q, r)-Laplacian with a parametric boundary condition.

Publication Type:Academic Journal

Source(s):Carpathian Journal of Mathematics. 2022, Vol. 38 Issue 3, p547-561. 15p.

Abstract:Consider in a bounded domain Ω ⊂ RN, N ≥ 2, with smooth boundary ∂Ω the following nonlinear eigenvalue problem ( − ∑ α∈{p,q,r} ρα∆αu = λa(x) | u | r−2 u in Ω, (∑ α∈{p,q,r} ρα | ∇u | α−2) ∂u/∂ν = λb(x) | u | r−2 u on ∂Ω, where p, q, r ∈ (1, +∞), q < p, ...

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Mathematical Modeling Method of the Improved Genetic Algorithm for Random Power Fluctuation.

Publication Type:Academic Journal

Source(s):International Transactions on Electrical Energy Systems. 8/25/2022, p1-7. 7p.

Abstract:In order to solve the problem that the traditional genetic algorithm has a slow search speed and is easy to fall into the local optimal solution, a mathematical modeling method of an improved genetic algorithm in random power fluctuation is proposed. D...

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