an exact method for the capacitated locationrouting problem

... must be greater than its left node and smaller than its right node It means that for this structure each node in company with its left node and its right node are organized in the form of a binary ... classification method for the various qualities of input images, especially with damaged images In the second process, the experimental results are analyzed in order to verify the performance of the proposed ... Analysis and Recognition, 2007 [7] C L Liu and H Fujisawa, “Classification and learning methods for character recognition :Advances and remaining problems”, in Machine Learning in Document Analysis and

Ngày tải lên: 13/02/2020, 01:54

... classes, showing an improved repeatability and reducing siloxane impurities Conclusion:  In this work we compared the performance of sample preparation methods for the SPME-GC-MS analysis of urine ... urine and frozen urine when identifying and quantifying metabolites in 4 ml samples Freeze-drying and addition of acid produced a significantly higher number of VOCs identified than any other method, ... used as an alternative method for the SPME-GC-MS analysis of urine samples Additional studies using internal standard, synthetic urine and calibration curves will allow a more precise quantification

Ngày tải lên: 29/05/2020, 13:33

... of the sample can be increased up to a certain level The Wcm−2 and 10−2 Wcm−2 by the use of filters Between the incandescent lamp and the sample, there exists a Si-filter, which transmits the ... to excite the electronic states of the PV samples. In that case, the photocathode can be illuminated by an incandescent lamp with 250 W in front of the cathode uniformly Therefore the photoconductivity ... coastline can change with the measuring scale e and similarly, in a 2D plane, the total area on a surface can be calculated by using all the points with the same property using the measuring scale Therefore,

Ngày tải lên: 23/10/2022, 09:18

... overlapping grids.Section 3 is devoted to theL ∞-error analysis of the method 2 The Schwarz method for the obstacle problem We begin by laying down some definitions and classical results related to elliptic ... obstacle problem LetΩ be a convex domain inR 2with sufficiently smooth boundary∂Ω We consider the bilinear form a(u, v) =  the linear form (f , v) =  the right-hand side the obstacle and the nonempty ... Numerical Analysis 37 (2000), no 5, 1709–1728. [4] P G Ciarlet and P.-A Raviart, Maximum principle and uniform convergence for the finite element method, Computer Methods in Applied Mechanics and Engineering

Ngày tải lên: 22/06/2014, 22:20

... found by Jin and Zheng [10, 11] For the method of fundamental solutions, we can refer to Marin and Lesnic [12] and Wei et al [13] Study on the moment method and boundary particle method can be found ... about the wavenumber Acknowledgments The authors would like to thank the editors and the referee for their careful reading and valuable comments which lead to the improvement of the quality of the ... use the Tikhonov regularization method and the Morozov discrepancy principle to solve the integral system (19) and then give the error estimates and 𝛿 convergence results In general, we give the

Ngày tải lên: 01/11/2022, 08:31

... preference information is needed to guide the search towards the region of the PF of interest to the DM Based on the role of the DM in the solution process, In an interactive method, the intermediate ... presented to the DM to investigate; then the DM can understand the problem better and provide more preference paper proposed two guiding techniques used in interactive method with MOEAs Trang 64.1 ... Introduction Methods for multi-objective optimization can be classified into several classes including the Interactive method With the interactive method, DM iteratively directs the search process by the

Ngày tải lên: 13/08/2015, 10:00

... only, the Pearson coefficient and the irrelevant users.Table 4shows the pseudo-code of the HU-FCFþ þ algorithm for the detailed explanation of the working mechanism 2.2 FACA-DTRS: the procedure for ... whereμuandσuare the mean rating and the standard variance of user u, respectively Iurepresents for the set of ratings of user u The operator  means the common ratings between two users ru ;p is the ... calculate the similarities for the determination of the neighborhood For this reason, the new user cold-start pro-blem can significantly affect negatively the recommender perfor-mance due to the inability

Ngày tải lên: 14/12/2017, 17:50

... zero for small , then λ I ) Remark 3.5 The bound on the variance for the Lavrentiev Method is similar to that predicted by the general theory for the Tikhonov procedure This suggest that the variational ... e2ζ ψ dγ C The new constant C depends on the functions (a, b) and on the cut-off ξ and then on the parameters (τ, η) Now, due to the specification of the subregions β , τ and η and after setting ... to the improvement of the bounds on the bias and the variance one can obtain in any sub-domain that is complementary of a vicinity of the incomplete boundary We not address, in the analysis, the

Ngày tải lên: 16/12/2017, 02:47

... electromagnetism theory for the charged particles In this mechanism, the force exerted on a point via other points is inversely proportional to the distance between the points and directly proportional to the ... smaller than n The parameters of EM are: = 0.1, N iter =20 and N pop=5 The EM ran 20 times for each instance, and the results are summarized in Table 1 and Table 2 The tables are organized as ... product of their charges The point that has a better objective value attracts the other points, and the point with the worse objective value repels the others The computation of this force is given

Ngày tải lên: 13/02/2020, 02:21

... resources of “angel investors”, therefore it the performance becomes worse The result of Fig shows that, the bigger the size of a company, the higher the impact of CE to BP, which means that if ... corporate investing and building up organizational culture in a good manner will bring competitive advantages and business performance in the future Therefore, we assume that: H2: Organizational culture ... business performance through organizational culture and supply chain management performance © 2020 by the authors; licensee Growing Science, Canada Introduction Chemical industry plays an important

Ngày tải lên: 26/05/2020, 23:01

... Jia Jia 2,† , Fengli Chen 1 , Fengjian Yang 1, *, Yuangang Zu 1 and Lei Yang 1, * 1 Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, ... different anions and cations were researched 2.1.1 Influence of the Anion The anion identity is considered an obvious factor which can influence the characteristic of ionic liquids, especially for ... experiments to analyze and simultaneously solve polynomial quadratic equations through regression analysis, which focuses on the significant factors and their relations, builds an empirical model, and thus

Ngày tải lên: 01/11/2022, 09:50

... over all the wave numbers q supported by the lattice Therefore, following the von Neumann ideas, we reduce the problem of analyzing the stability of the solution to the problem of analyzing the stability ... is, for any given set of values of γ1, γ2, μ, and K there are choices ofΔx and Δt for which the method is unstable Therefore, it is important to determine the conditions under which the method ... potential and the resting membrane potential, γ1 is the exponent characterizing the anomalous flux of ions along the nerve cell, and γ2 is the exponent characterizing the anomalous flux across the

Ngày tải lên: 02/11/2022, 08:52

... define an embedding of permutation graphs in the plane which enables us to obtain an equivalent version of the problem involving points in the plane, and we describe a sweeping algorithm for this problem; ... solved the coloring problem, the maximum clique problem, the clique cover problem, and the maximum independent set problem, all in O(n log n) time Nikolopoulos et al [19] studied the behavior of the ... Q(d′). Trang 6For example, in Figure 3, the edges e1 and e2 are redundant in light of e3.We note that we are interested in minimizing the non-covered part of the plane rather than min-imizing the

Ngày tải lên: 22/03/2023, 10:50

... followingequilibrium problem: The set of solutions of1.2 is denoted by EPF The problem 1.2 includes, as specialcases, the optimization problem, the variational inequality problem, the fixed point problem,the ... complementarity problem, the Nash equilibrium problem in noncooperativegames, and the vector optimization problem For more detail, please see 3 5 and thereferences therein If Fx, y  gy−gx for all ... space and obtained somestrong convergence theoremsweak convergence theorems Some methods have beenproposed to solve the problem 1.2; see, for instance, 3 5, 11–18 and the referencestherein

Ngày tải lên: 10/11/2023, 22:49

... b1b2t sin b) Therefore, the instantaneous resistance and the mean resistance of the web girder during the formation of the first fold can be obtained 3.3.2 Deformation mechanism of the subsequent ... The new simplified analysis method includes the deformation mechanism analysis of the side shell plating, the transverse frame and the web girder, and the resistance formulas are proposed, then ... plate and the stem of the striking ship, and then consider the situation where the inclined panel is impacted by the bulb For these two scenarios, an analytical formu-lation relating the force and

Ngày tải lên: 28/01/2024, 15:06

... that Brazilian grapevine HSVd variants clustered with other grapevine HSVd variants, forming a specific group separated from citrus variants On the other hand, the Brazilian CEVd variants clustered ... used for the amplification They can choose between using pre-set polymerase buffers or to specify the ionic content of the buffer and the algorithms they want using the custom-buffer mode The ... plants It is important to note that the tested tissues include cane and bud samples from the dormant grapevine because this means that the HSVd and GYSVd-1 primers detection can also serve as an

Ngày tải lên: 09/09/2024, 04:21

... Trang 1Annals of Mathematics An exact sequence for KM /2 with applications to quadratic forms Trang 2An exact sequence for KM ∗ /2with applications to quadratic forms By D Orlov,∗ ... present form the paper was written while the authors were members of the Institute for Advanced Study in Princeton We would like to thank both institutions for their support 2 An exact sequence for ... Khan-Rost-Sujatha conjecture and the J -filtration conjecture All these results require only the first form of our exact sequence Using the final form of the sequence we also show that the kernel of multiplication

Ngày tải lên: 29/03/2014, 07:20

... lower tank. The advantages of this new system are: its easy manufacture; simple maintenance, limited to the periodic cleaning of the textile material; and its low consumption. On the other hand, ... making more interesting the idea of considering and analyzing the use of these devices. Another disadvantage is the water consumption associated to the operation of these systems, which is ... enters through the filters on the right side, and is driven by the fan through the horizontal paths of the plate heat-exchanger, where it is cooled. The return air, sucked by the upper fan, passes...

Ngày tải lên: 05/09/2013, 16:10

... Sichuan University, Chengdu, Sichuan 610064, PR China Authors’ contributions YL participated in the design and theoretical analysis of the study, drafted the manuscript. MF conceived the study, and ... ((6.4 ), (6.8)), and for every θ < 0 for the case ((6.10), (6.13)). On the other hand, since ∇ h D l-1 (T h ) ⊂ (D l-2 (T h )) d holds, boundedness of the bilinear form in (6.8) and (6.13) follows ... p 2 l ) . (7:2) hold for all t Î J with the constant C independent only on bounds for the coefficient a(c), but not on c itself. Theorem 7.1 (Error est imate for the velocity and pressure) Let (u, p, c) be the...

Ngày tải lên: 20/06/2014, 22:20