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Decision Support System for Single-Valued Neutrosophic Aczel–Alsina Aggregation Operators Based on Known Weights 基于已知权重的单值中性 Aczel-Alsina 聚合算子决策支持系统
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-03-20 DOI: 10.1155/2024/4362151
Sajid Latif, Kifayat Ullah, Abrar Hussain, Amrullah Awsar
Multiattribute decision making (MADM) approach is a well-known decision-making process utilized in a variety of fields such as solid waste management, renewable energy resources, air quality assurance, hotel location decision, sustainable supplier selection, partner recognition, green supplier enterprises, game theory, construction development authority, and weapon group target estimation. The aggregation operators (AOs) are essential components of the decision-making process and have a great capability to deal with ambiguous and unpredictable information in the different fields of fuzzy environments. In this article, we expressed the theory concepts of single-valued neutrosophic (SVN) sets (SVNS) and also characterized their basic operations. The power aggregation tools are allowed to input arguments to support each other among different arguments. Recently, Aczel–Alisna aggregation tools conquered great attention from several research scholars. We also exposed some reliable operations of Aczel–Alsina aggregation models under the consideration of SVN information. We established a series of new approaches, including the “single-valued neutrosophic Aczel–Alsina power weighted average” (SVNAAPWA) operator and “single-valued neutrosophic Aczel–Alsina power weighted geometric” (SVNAAPWG) operators. To show the effectiveness and compatibility of derived approaches, some prominent characteristics are also established. We constructed a MADM technique to solve an application of engineering and construction materials under consideration of our derived methodologies. An experimental case study is also presented to determine a suitable optimal option from a group of options. To find the flexibility of our proposed work, we provided a comparative study that compares the results of existing AOs with our proposed work. A comprehensive overview is also presented here.
多属性决策(MADM)方法是一种著名的决策过程,广泛应用于固体废弃物管理、可再生能源、空气质量保证、酒店选址决策、可持续供应商选择、合作伙伴识别、绿色供应商企业、博弈论、建设发展权力和武器装备目标估算等领域。聚合算子(AO)是决策过程的重要组成部分,在不同领域的模糊环境中具有处理模糊和不可预测信息的强大能力。本文表述了单值中性集(SVNS)的理论概念,并描述了其基本运算。幂聚合工具允许输入参数,以在不同参数之间相互支持。最近,Aczel-Alisna 聚合工具受到了一些研究学者的极大关注。我们还揭示了在考虑 SVN 信息的情况下,Aczel-Alisna 聚合模型的一些可靠操作。我们建立了一系列新方法,包括 "单值中性 Aczel-Alsina 幂加权平均"(SVNAAPWA)算子和 "单值中性 Aczel-Alsina 幂加权几何"(SVNAAPWG)算子。为了说明衍生方法的有效性和兼容性,还建立了一些突出的特征。考虑到我们的推导方法,我们构建了一种 MADM 技术来解决工程和建筑材料的应用问题。我们还提出了一个实验案例研究,以从一组选项中确定一个合适的最优选项。为了发现我们所建议的工作的灵活性,我们提供了一项比较研究,将现有的 AOs 结果与我们所建议的工作进行了比较。这里还提供了一份全面的概述。
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引用次数: 0
Impact of Corporate Social Responsibility on Operations of a Live-Streaming Supply Chain 企业社会责任对直播供应链运营的影响
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-03-19 DOI: 10.1155/2024/2855251
Suqin Sun, Haodong Zheng, Tao Hang, Xuemei Zhang
Corporate social responsibility (CSR) is widely noticed as an essential tool for business operation and sustainable development. Meanwhile, the fiercely competitive external environment and unpredictable events prompt enterprises’ cooperation to prevent supply chain collapse. We investigate the cooperative strategy in a live-streaming supply chain (LSC) consisting of a dominant brand owner, a retailer, and a live streamer, where the brand owner considers CSR by considering the welfare of stakeholders. We construct one non-cooperative and three cooperative Stackelberg game models to explore the impact of CSR on cooperative strategy and LSC operations. The results show the following. (1) When the brand owner considers CSR, LSC members and systems are more profitable in the four models than when the brand owner does not consider CSR. (2) When the flow effect is small, the brand owner tends to cooperate with the retailer; otherwise, the brand owner prefers to cooperate with the live streamer. (3) The grand coalition C (the brand owner cooperates with the retailer and live streamer) is the consistent strategy for the LSC system, consumers, and society. These findings help enterprises recognize the importance of CSR and collaboration, thus further providing reference opinions on engaging in CSR and how to achieve collaboration.
企业社会责任(CSR)作为企业经营和可持续发展的重要工具受到广泛关注。同时,激烈竞争的外部环境和不可预测的事件促使企业通过合作来防止供应链崩溃。我们研究了由主导品牌所有者、零售商和直播商组成的直播供应链(LSC)中的合作策略,其中品牌所有者通过考虑利益相关者的福利来考虑企业社会责任。我们构建了一个非合作型和三个合作型斯塔克尔伯格博弈模型,以探讨企业社会责任对合作战略和 LSC 运营的影响。结果显示如下。(1) 当品牌所有者考虑企业社会责任时,与品牌所有者不考虑企业社会责任时相比,四个模型中的 LSC 成员和系统都能获得更多利润。(2) 当流量效应较小时,品牌所有者倾向于与零售商合作;反之,品牌所有者倾向于与直播商合作。(3)大联盟 C(品牌所有者与零售商和直播平台合作)是 LSC 系统、消费者和社会的一致战略。这些发现有助于企业认识到企业社会责任与合作的重要性,从而为企业参与企业社会责任以及如何实现合作提供了参考意见。
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引用次数: 0
Numerical Analysis and Computation of a Subgrid-Sparse-Grad-Div Stabilization Method for Incompressible Flow Problems 针对不可压缩流问题的子网格-解析-梯度-密度稳定方法的数值分析与计算
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-03-13 DOI: 10.1155/2024/5580918
Yun-Bo Yang, Bin-Chao Huang
In this article, a subgrid-sparse-grad-div method for incompressible flow problem was proposed, which is a combination of the subgrid stabilization method and the recently proposed sparse-grad-div method. The method maintains the advantage of both methods: (i) It is robust for solving incompressible flow problem with dominance of the convection, especially when the viscosity is too small. (ii) It can keep mass conservation. Therefore, the method is very efficient for solving incompressible flow. Moreover, based on the Crank–Nicolson extrapolated scheme for temporal discretization, and mixed finite element in spatial discretization, we derive the unconditional stability and optimal convergence of the method. Finally, numerical experiments are proposed to validate the theoretical predictions and demonstrate the efficiency of the method on a test problem for incompressible flow.
本文提出了一种不可压缩流动问题的子网格-稀疏-级分方法,它是子网格稳定方法和最近提出的稀疏-级分方法的结合。该方法保持了这两种方法的优点:(i) 对于求解对流占主导地位的不可压缩流动问题具有鲁棒性,尤其是当粘度太小时。因此,该方法在求解不可压缩流动问题时非常高效。此外,基于时间离散的 Crank-Nicolson 外推方案和空间离散的混合有限元,我们推导出了该方法的无条件稳定性和最佳收敛性。最后,我们提出了数值实验来验证理论预测,并在不可压缩流的测试问题上证明了该方法的效率。
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引用次数: 0
Deep Reinforcement Learning and Auto-Differential Evolution Co-Guided Coal Washing 深度强化学习和自差分进化协同引导洗煤
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-03-12 DOI: 10.1155/2024/7843835
Mingcheng Zuo
Background. Coal washing is a complicated process and difficult to control, which has many controlling parameters with strong coupling relationship. It is still a challenge to realize the self-perception, self-adjustment, and self-evaluation of coal washing machine, improve the quality of coal washing, ensure production safety, and reduce labor cost. Methods. Through the intelligent transformation of jig, this paper proposes an intelligent washing method with cooperated deep reinforcement learning and evolutionary computation. First, it designs a fault warning method based on statistical analysis, helping to recover the normal running state of jig with manual maintenance. Then, it constructs a regulation strategy generation method with deep reinforcement learning supported by the fusion of artificial experience and historical data. Last, for the lack of monitoring data caused by poor communication quality and environment, the regulation strategy prediction method with evolutionary computation and surrogate model is proposed. Results. In practice, this method shows accurate fault warning accuracy and rapid cleaned coal ash adjustment response ability. Conclusions. This shows that the method proposed in this paper is of great significance for intelligent washing and can better cope with the special situation when the washing equipment sensing data are missing.
背景。洗煤是一个复杂的过程,控制难度大,控制参数多,耦合关系强。如何实现洗煤机的自我感知、自我调整、自我评价,提高洗煤质量,确保生产安全,降低人工成本,仍是一个难题。方法。通过对夹具的智能化改造,本文提出了一种深度强化学习与进化计算协同的智能洗选方法。首先,它设计了一种基于统计分析的故障预警方法,有助于通过人工维护恢复跳汰机的正常运行状态。然后,在人工经验和历史数据的融合支持下,利用深度强化学习构建了一种调节策略生成方法。最后,针对通信质量和环境不佳导致的监控数据缺乏问题,提出了进化计算和代用模型的调节策略预测方法。结果。在实践中,该方法表现出了准确的故障预警精度和快速的洁净煤灰调节响应能力。结论。本文提出的方法对智能洗选具有重要意义,能更好地应对洗选设备传感数据缺失的特殊情况。
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引用次数: 0
Quantum Game-Based Study on the Incentive Mechanism for the Cooperative Distribution of E-Commerce Logistics Alliance 基于量子博弈的电商物流联盟合作配送激励机制研究
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-03-06 DOI: 10.1155/2024/2590861
Liying Zhang, Fujian Chen
Motivating active participation in e-commerce logistics alliances to enhance delivery efficiency and customer satisfaction has long been a societal interest. Leveraging the quantum game theory, this paper develops a model for incentivizing collaboration within these alliances. This model enables theoretical and numerical analysis of members’ strategies and entanglement levels. The findings show that quantum strategies increase members’ profits, achieving Nash equilibriums and Pareto optimal outcomes, outperforming the classical game theory. In addition, the size of quantum entanglement emerges as a critical determinant influencing members’ active participation in collaborative distribution. Strengthening information sharing and aligning interests can enhance entanglement levels among members, making them more inclined to adopt strategies promoting active involvement in collaborative distribution. Moreover, members can adapt their strategies based on the initial entanglement in collaborative distribution, thereby incentivizing participation and reducing ethical risks. In conclusion, through numerical analysis, we present relevant strategies and recommendations for incentivizing collaborative distribution within e-commerce logistics alliances.
长期以来,激励人们积极参与电子商务物流联盟以提高配送效率和客户满意度一直是社会关注的焦点。本文利用量子博弈论,建立了一个激励这些联盟内部合作的模型。该模型可对成员的策略和纠缠水平进行理论和数值分析。研究结果表明,量子策略能增加成员的利润,实现纳什均衡和帕累托最优结果,优于经典博弈论。此外,量子纠缠的大小是影响成员积极参与协作分配的关键决定因素。加强信息共享和利益一致可以提高成员之间的纠缠程度,使他们更倾向于采取促进积极参与合作分配的策略。此外,成员可以根据协作分配中的初始纠葛调整策略,从而激励参与并降低道德风险。总之,通过数值分析,我们提出了在电子商务物流联盟中激励合作配送的相关策略和建议。
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引用次数: 0
Multiple Solutions of a Nonlocal Problem with Nonlinear Boundary Conditions 具有非线性边界条件的非局部问题的多重解决方案
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-03-02 DOI: 10.1155/2024/3621001
Jie Liu, Qing Miao
In this article, we consider a class of nonlocal p(x)-Laplace equations with nonlinear boundary conditions. When the nonlinear boundary involves critical exponents, using the concentration compactness principle, mountain pass lemma, and fountain theorem, we can prove the existence and multiplicity of solutions.
在本文中,我们考虑了一类具有非线性边界条件的非局部 p(x)-Laplace 方程。当非线性边界涉及临界指数时,利用集中紧凑性原理、山口稃和喷泉定理,我们可以证明解的存在性和多重性。
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引用次数: 0
Novel Complex Intuitionistic Hesitant Fuzzy Distance Measures for Solving Decision-Support Problems 用于解决决策支持问题的新型复杂直觉模糊犹豫距离测量法
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-02-19 DOI: 10.1155/2024/7498053
Shahzaib Ashraf, Muhammad Ahmed, Muhammad Naeem, Quashie Duodu
The key objective of this article is to introduce the innovative idea of a complex intuitionistic hesitant fuzzy set (CIHFS), which blends the intuitionistic hesitant fuzzy set with the complex fuzzy set to address the uncertain information in real-life complex problems. In CIHFS, the range of the membership functions is extended from the subset of the real number to the unit disc under the hesitant environment. To determine how well the CIHFSs can be distinguished from one another, we first propose generalized distance measures and weighted generalized distance measures based on the Hamming, Euclidean, and Hausdorff metrics. Some interesting properties and their relationships are thoroughly discussed. Furthermore, a decision-making framework for selecting the optimal option from the feasible set has been proposed, which is grounded in these distance metrics. For the purpose of proving the method’s efficacy, we included examples from pattern recognition and medical diagnostics.
本文的主要目的是引入复杂直觉犹豫模糊集(CIHFS)的创新思想,将直觉犹豫模糊集与复杂模糊集相融合,以解决现实生活中复杂问题中的不确定信息。在 CIHFS 中,成员函数的范围从实数子集扩展到犹豫环境下的单位圆盘。为了确定 CIHFS 之间的区别,我们首先提出了基于汉明度量、欧几里得度量和豪斯多夫度量的广义距离度量和加权广义距离度量。我们深入讨论了一些有趣的属性及其关系。此外,还提出了一个从可行集合中选择最优方案的决策框架,该框架以这些距离度量为基础。为了证明该方法的有效性,我们列举了模式识别和医疗诊断中的实例。
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引用次数: 0
Dynamical Behavior and Expressions of Solutions of a Class of Higher-Order Nonlinear Difference Equations 一类高阶非线性差分方程的动态行为和解的表达式
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-02-12 DOI: 10.1155/2024/7104474
Ghada AlNemer, Lama Sh. Aljoufi, A. M. Ahmed, Samir Al Mohammady, M. Zakarya, H. M. Rezk
The aim of this article is to get the forms of the solutions of the following nonlinear higher-order difference equations <span><svg height="16.2017pt" style="vertical-align:-3.943501pt" version="1.1" viewbox="-0.0498162 -12.2582 32.251 16.2017" width="32.251pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.981,3.132)"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.448,3.132)"></path></g><g transform="matrix(.0091,0,0,-0.0091,16.008,3.132)"></path></g><g transform="matrix(.013,0,0,-0.013,24.62,0)"></path></g></svg><span></span><svg height="16.2017pt" style="vertical-align:-3.943501pt" version="1.1" viewbox="35.8331838 -12.2582 45.521 16.2017" width="45.521pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,35.883,0)"></path></g><g transform="matrix(.013,0,0,-0.013,40.381,0)"><use xlink:href="#g113-244"></use></g><g transform="matrix(.0091,0,0,-0.0091,47.362,3.132)"><use xlink:href="#g50-116"></use></g><g transform="matrix(.0091,0,0,-0.0091,50.829,3.132)"></path></g><g transform="matrix(.0091,0,0,-0.0091,56.39,3.132)"></path></g><g transform="matrix(.0091,0,0,-0.0091,60.821,3.132)"></path></g><g transform="matrix(.0091,0,0,-0.0091,65.453,3.132)"><use xlink:href="#g54-36"></use></g><g transform="matrix(.0091,0,0,-0.0091,71.014,3.132)"><use xlink:href="#g50-50"></use></g><g transform="matrix(.013,0,0,-0.013,76.048,0)"></path></g></svg><span></span><svg height="16.2017pt" style="vertical-align:-3.943501pt" version="1.1" viewbox="84.2651838 -12.2582 7.631 16.2017" width="7.631pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,84.315,0)"></path></g></svg><span></span><svg height="16.2017pt" style="vertical-align:-3.943501pt" version="1.1" viewbox="94.8011838 -12.2582 16.777 16.2017" width="16.777pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,94.851,0)"></path></g><g transform="matrix(.013,0,0,-0.013,103.997,0)"><use xlink:href="#g117-37"></use></g></svg><span></span><svg height="16.2017pt" style="vertical-align:-3.943501pt" version="1.1" viewbox="114.4831838 -12.2582 63.552 16.2017" width="63.552pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,114.533,0)"></path></g><g transform="matrix(.0091,0,0,-0.0091,124.127,-5.741)"><use xlink:href="#g50-108"></use></g><g transform="matrix(.0091,0,0,-0.0091,124.127,3.784)"></path></g><g transform="matrix(.0091,0,0,-0.0091,126.594,3.784)"></path></g><g transform="matrix(.0091,0,0,-0.0091,132.154,3.784)"><use xlink:href="#g50-50"></use></g><g transform="matrix(.013,0,0,-0.013,137.13,0)"><use xlink:href="#g113-244"></use></g><g transform="matrix(.0091,0,0,-0.0091,144.111,3.132)"><use xlink:href="#g50-116"></use></g
本文旨在获得以下非线性高阶差分方程的解的形式,其中初始条件和为任意实数。此外,我们还研究了这些解的稳定性、有界性、振荡和周期性。
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引用次数: 0
Disruption Risk Analysis of Substitutable Dual Product Supply Chain: A System Dynamics Framework 可替代双产品供应链的中断风险分析:系统动力学框架
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-02-06 DOI: 10.1155/2024/9920879
Jing Ke, Weiqiang Jia, Ye Zhou, Xin Wang
Uncertain events such as earthquakes, epidemics, and wars have increased the risk of supply chain disruption. Due to the needs of carbon reduction policies and environmental protection, a large number of enterprises have started to produce both traditional and green products. Studying the issue of supply chain disruption for such enterprises has significant practical significance. We have developed a system dynamics model for a substitutable dual product supply chain with two levels of supply sources. Through simulation analysis, we found that (1) supply chain disruption can cause fluctuations in the manufacturer’s inventory, and disruptions from second tier suppliers have a higher impact on the manufacturer’s inventory than that from primary suppliers. In addition, the disruption of traditional products will cause consumers to flow to the green product market, resulting in a sudden increase in order for green products and components in a short period of time, causing a delayed impact on the inventory of suppliers and manufacturers of green products. (2) The disruption of upstream suppliers in traditional products causes the highest profit losses for all traditional product suppliers, while the disruption of downstream suppliers in green products causes the highest profit losses for the manufacturer and all green product suppliers. (3) From the perspective of the service level, compared to other components, the disruption of critical components in traditional products poses the highest risk of out of stock in the supply chain, while the risk of out-of-stock in the intermediate component of green product is the smallest. (4) Common sense may suggest that the more the suppliers disrupt, the higher the damage of the supply chain. However, due to the ripple effect, this article finds that from the perspectives of profit, inventory, and service level, multisupplier disruption is not necessarily inferior to single supplier disruption.
地震、流行病和战争等不确定事件增加了供应链中断的风险。由于减碳政策和环境保护的需要,大量企业开始生产传统产品和绿色产品。研究这类企业的供应链中断问题具有重要的现实意义。我们建立了一个具有两级供应源的可替代双产品供应链的系统动力学模型。通过仿真分析,我们发现:(1) 供应链中断会引起制造商库存的波动,而二级供应商的中断对制造商库存的影响要高于一级供应商的中断。此外,传统产品的中断会使消费者流向绿色产品市场,导致绿色产品和零部件的订单在短时间内突然增加,对绿色产品供应商和制造商的库存造成滞后影响。(2)传统产品上游供应商的中断给所有传统产品供应商造成的利润损失最大,而绿色产品下游供应商的中断给制造商和所有绿色产品供应商造成的利润损失最大。(3) 从服务水平的角度看,与其他组件相比,传统产品的关键组件中断造成供应链缺货的风险最高,而绿色产品的中间组件缺货的风险最小。(4) 按照常理,供应商中断的次数越多,供应链受到的损害就越大。然而,由于涟漪效应,本文发现,从利润、库存和服务水平的角度来看,多供应商中断并不一定不如单供应商中断。
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引用次数: 0
Classification Performance Analysis of Decision Tree-Based Algorithms with Noisy Class Variable 基于决策树算法的噪声类变量分类性能分析
IF 1.4 4区 数学 Q3 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2024-02-01 DOI: 10.1155/2024/6671395
Abdulmajeed Atiah Alharbi
Class noise is a common issue that affects the performance of classification techniques on real-world data sets. Class noise appears when a class variable in data sets has incorrect class labels. In the case of noisy data, the robustness of classification techniques against noise could be more important than the performance results on noise-free data sets. The decision tree method is one of the most popular techniques for classification tasks. The C4.5, CART, and random forest (RF) algorithms are considered to be three of the most used algorithms in decision trees. The aim of this paper is to reach conclusions on which decision tree algorithm is better to use for building decision trees in terms of its performance and robustness against class noise. In order to achieve this aim, we study and compare the performance of the models when applied to class variables with noise. The results obtained indicate that the RF algorithm is more robust to data sets with noisy class variable than other algorithms.
类噪声是影响分类技术在真实世界数据集上的性能的一个常见问题。当数据集中的类变量具有不正确的类标签时,就会出现类噪声。在有噪声数据的情况下,分类技术对噪声的鲁棒性可能比在无噪声数据集上的性能结果更重要。决策树方法是分类任务中最常用的技术之一。C4.5、CART 和随机森林 (RF) 算法被认为是决策树中最常用的三种算法。本文的目的是就哪种决策树算法在性能和对类噪声的鲁棒性方面更适合用于构建决策树得出结论。为了实现这一目标,我们研究并比较了这些模型在应用于有噪声的类变量时的性能。研究结果表明,与其他算法相比,射频算法对有噪声类变量的数据集更具鲁棒性。
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引用次数: 0
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Discrete Dynamics in Nature and Society
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