Báo cáo hóa học: "PERTURBATION METHOD FOR LINEAR DIFFERENCE EQUATIONS WITH SMALL PARAMETERS" pot

... consequence of (3.2)andTheorem 2.1.  12 Perturbation method for difference equations [6] M. S. Krishnarayalu, Singular perturbation methods for one-point two-point and multi-point boundary value ... give proof of uniform convergence of the proposed iterative method. Section 3 is mainly devoted to validate the effectiveness of our method, compared with the singular perturbation met...

Ngày tải lên: 22/06/2014, 22:20

... Feynman-Kaˇc type formula, pricing this option can be reduced to solving the Cauchy problem (with terminal condition) for a second-order linear parabolic PDE of nondivergent type, with null term ... 65J10. Keywords: parabolic evolution equations; finite-difference methods; financial mathematics. 1 Introduction In this article, we study the discretisation, with finite-difference methods,...

Ngày tải lên: 21/06/2014, 20:20

... problem with nonlinear functional boundary conditions, Computers & Mathematics with Applications 42 (2001), no. 3–5, 593– 601. [4] J. Henderson, Positive solutions for nonlinear difference equations, ... problems for o rdinary differential equations and finite difference equations, Computers & Mathematics with Applica- tions 42 (2001), no. 3–5, 695–704. [3] A. Cabada, Extrem...

Ngày tải lên: 22/06/2014, 22:20

... embedding W 2,p loc → C 0, n 2p loc for p > n 2 , implies δ ∈ C 0 ,α (  ) ,with0 <α<1 . Bozorgnia Advances in Difference Equations 2011, 2011:19 http://www.advancesindifferenceequations.com/content/2011/1/19 Page ... one-phase points in our case. A straightforward calculation gives Bozorgnia Advances in Difference Equations 2011, 2011:19 http://www.advancesindifferenceeq...

Ngày tải lên: 21/06/2014, 02:20

... 781750, 16 pages doi:10.1155/2010/781750 Research Article A Linear Difference Scheme for Dissipative Symmetric Regularized Long Wave Equations with Damping Term Jinsong Hu, 1 Youcai Xu, 2 and Bing ... pseudo-spectral method for the SRLW equation,” Applied Mathematics and Mechanics, vol. 10, no. 9, pp. 801–810, 1989. 10 J. D. Zheng, “Pseudospectral collocation methods for the...

Ngày tải lên: 21/06/2014, 11:20

... > 0forallx ∈ R,forc>0, it follows that ξ c (t) > 0forallt ∈ T and for c<0, it follows that ξ c (t) < 0forallt ∈ T; (iii) moreover, ξ c (t) = c for all right dense t ∈ T; (iv) for ... ν,x   − V(t + ν,x)   < ε 3 (3.21) for all x  ∈ B δ 2 (x)whenδ 2 <ε/3K. 2 Lyapunov functions for dynamical equations linearizations of nonlinear systems, see, for example, [...

Ngày tải lên: 22/06/2014, 22:20

... EVALUATION METHOD Before starting the design of any segmentation evaluation method, the following general properties are established a s desirable. (a) The set of ideal edges between regions for each ... combinations of parameters for the region- merging algorithm was 1 728 for each image. The number of different combinations of parameters for the edge-based al- gorithm was 144 for...

Ngày tải lên: 22/06/2014, 23:20

... rategies. The parallel method in [31]is based on a graph-based region-growing method. The hierar- chical method in [32] is based on the watershed transform. Different segmentation methods can be evaluated ... (b), and (c) provides the certainty map for the proposed method, while (d) shows the NC obtained with the use of the certainty maps proposed in this method, with superimposed...

Ngày tải lên: 22/06/2014, 23:20

... average accuracy of 85.7% for nouns, 63.9% for verbs, 83.6% for adjectives and 86.5% for adverbs, slightly less than our re- sults. Moreover, for applications such as infor- mation retrieval ... from SemCor, with the associated senses for each word, and sentences 2b, 3b and 4b show the verbs and the nouns tagged with their senses by our method. The only discrepancy...

Ngày tải lên: 08/03/2014, 06:20