A smoothing newton BICGStab method for least squares matrix nuclear norm problems
A smoothing newton BICGStab method for least squares matrix nuclear norm problems
... Programming 76 (1997), pp 513-532 [6] Y Gao and D F Sun, Calibrating Least Squares Covariance Matrix Problems with Equality and Inequality Constraints, SIAM Journal on Matrix Analysis and Applications ... Y Gao and D F Sun, A Majorized Penalty Approach for Calibrating Rank Constrained Correlation Matrix Problems, manuscript, 2010 38 Bibliography [8] G H Golub and C F Van Loan Matrix Computations, ... Newton- BiCGStab method for the least squares nonsymmetric matrix nuclear norm problems For this type of problems, when linear inequality and second-order cone constraints are present, the dual...
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Báo cáo hóa học: " Research Article A New Method for Least-Squares and Minimax Group-Delay Error Design of Allpass Variable Fractional-Delay Digital Filters" pdf
... better For example, if the allpass VFD filter is designed again with p ∈ [−0.65, 0.35] for both LS design and minimax design, the absolute errors of group-delay for LS design and minimax design are ... [24] J J Shyu, S C Pei, and C H Chan, Minimax phase error design of allpass variable fractional-delay digital filters by iterative weighted least-squares method, ” Signal Processing, vol 89, no ... [11] J J Shyu, S C Pei, C H Chan, and Y D Huang, Minimax design of variable fractional-delay FIR digital filters by iterative weighted least-squares approach,” IEEE Signal Processing Letters, vol...
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A smoothing newton method for the boundary valued ODEs
... boundary- value ODEs so far Even for its special case: the DVIs, the computational work is almost blank Therefore, all the research works on this topic are mainly at the theoretical aspect and ... up quite natural that we shall take ε as another parameter in both xε (t; c) and hε (c), just as the same position we on the initial value c Actually, one advantage to this is that all the existing ... smoothing Newton method for solving the reformulated ODEs is established Based on the algorithm, both the global and superlinear (quadratic) convergence are analyzed Some numerical results are also...
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A newton type method for fluid computation
... two-dimensional driven cavity flow The driven cavity is a classic fluid dynamics benchmark that is widely used as standard test cases for evaluating the stability and accuracy of numerical methods for ... more than offset by its principal disadvantage Because the Jacobian has to be evaluated at each iteration in this method, it induces high computational and storage cost Nevertheless, Newton s method ... acceleration technique have been a favourable choice for INSE computation Tamamids et al (1996) carried out a comparison of accuracy, grid independence, convergence behaviour, and computational efficiency...
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Tài liệu Báo cáo khoa học: "Word representations: A simple and general method for semi-supervised learning" doc
... more general than that of Ando and Zhang (2005) and Suzuki and Isozaki (2008) Their methods dictate a particular choice of model and training regime and could not, for instance, be used with an ... 216 documents) We also evaluated on an out-of-domain (OOD) dataset, the MUC7 formal run (59K words) MUC7 has a different annotation standard than the CoNLL03 data It has several NE types that don’t ... final chunking results and Table shows the final NER F1 results We compare to the state-of-the-art methods of Ando and Zhang (2005), Suzuki and Isozaki (2008), and for NER—Lin and Wu (2009) Tables...
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Tài liệu Báo cáo khoa học: "A New Dataset and Method for Automatically Grading ESOL Texts" pdf
... shared dataset for training and testing such systems and comparing their performance As it is likely that the deployment of such systems will increase, standardised and independent evaluation methods ... We make such a dataset of ESOL examination scripts available1 (see Section for more details), describe our novel approach to the task, and provide results for our system on this dataset We address ... consistent, comparable and replicable set of results based entirely on the new dataset and on public-domain tools and data, whilst also experimentally motivating some novel feature types for the AA task,...
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Báo cáo khoa học: "A Latent Dirichlet Allocation method for Selectional Preferences" pptx
... our corpus Formally, LDA generates each argument in the corpus of relations as follows: for each topic t = T Generate βt according to symmetric Dirichlet distribution Dir(η) end for for each ... as information about which topics one of the arguments favors can help inform the topics chosen for the other For example, class pairs such as (team, game), (politician, political issue) form ... Generate θr according to Dirichlet distribution Dir(α) for each tuple i = Nr Generate zr,i from Multinomial(θr ) Generate the argument ar,i from multinomial βzr,i end for end for One weakness of...
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Báo cáo khoa học: "A Generalized-Zero-Preserving Method for Compact Encoding of Concept Lattices" pot
... like to have an efficient algorithm for finding the best possible encoding of any given meet semilattice The encoding can be represented as a collection of sets of integers (representing bit indices ... optimal encoding is the collection of sets whose overall union is smallest subject to the constraint that the collection forms an encoding at all This combinatorial optimization problem is a form of ... intersection of incomparable types to preserve failure To preserve joins, if that property is desired, we add a constraint Si Sj for every pair of types xi xj and one of the form Si ∩ Sj = Sk for every...
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A SELF-ASSESSMENT BASED METHOD FOR POST- COMPLETION AUDITS IN PAPER PRODUCTION LINE INVESTMENT PROJECTS doc
... the research gap: Can a practical investment project technology evaluation method for post -completion audits in paper production lines based on a self-assessment framework produce information which ... world forest area) Planted forests and new pulp mills as well as paper mills in Asia and South America have changed pulp and paper supply The world’s demand for paper and paperboard is currently increasing ... the quantitative and qualitative quality of an investment project This study develops a method for evaluating investment projects in a paper production line in its technological and operational...
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Báo cáo khoa học: "A Fast and Accurate Method for Approximate String Search" pptx
... a new method for approximate string search, including spelling error correction, which is both accurate and efficient Our method is novel and unique in its model, learning 60 Farooq Ahmad and Grzegorz ... accuracy and efficiency Spelling error correction normally consists of candidate generation and candidate final selection The former task is an example of approximate string search Note that candidate ... (Mihov and Schulz, 2004; Li et al., 2008) Instead of finding all the candidates in a fixed range, methods for finding the top k candidates have also been developed For example, the method by Vernica and...
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Báo cáo hóa học: "A general composite iterative method for generalized mixed equilibrium problems, variational inequality problems and optimization problems" pot
... article as: Jung: A general composite iterative method for generalized mixed equilibrium problems, variational inequality problems and optimization problems Journal of Inequalities and Applications ... method for generalized mixed equilibrium problems, fixed point problems and variational inequality problems Taiwan J Math 12, 1401–1432 (2008) Ceng, L-C, Yao, J-C: A hybrid iterative scheme for ... (1.1) is very general in the sense that it includes, as special cases, fixed point problems, optimization problems, variational inequality problems, minmax problems, Nash equilibrium problems in...
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Báo cáo hóa học: " A novel mechanical cleavage method for synthesizing few-layer graphenes" ppt
... under microwaves irradiation Appl Catal, A 2009, 371(1-2):22-30 Subrahmanyam KS, Panchakarla LS, Govindaraj A, Rao CNR: Simple Method of Preparing Graphene Flakes by an Arc-Discharge Method J Phys ... both methods are used to analyze the Raman data The ID/IG ratio obtained using both peak height and integrated intensity methods are plotted in Figure 7a for the six samples A statistical two-sample ... [26] is said to be not appropriate for all graphite forms Hence, a general formula for La involving any excitation energy, El , was proposed by Canado et al [23] as shown in Equation is adopted...
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Báo cáo hóa học: " Research Article A New General Iterative Method for a Finite Family of Nonexpansive Mappings in Hilbert Spaces Urailuk Singthong1 and Suthep Suantai1, 2" potx
... and Suantai introduced a new mapping, called Kmapping, for finding a common fixed point of a finite family of nonexpansive mappings For a finite family of nonexpansive mappings {Ti }N1 and sequence ... Proceedings of the American Mathematical Society, vol 4, pp 506–510, 1953 S Reich, “Weak convergence theorems for nonexpansive mappings in Banach spaces, ” Journal of Mathematical Analysis and Applications, ... for a finite family of nonexpansive mappings and applications,” Indian Journal of Mathematics, vol 41, no 3, pp 435–453, 1999 W Takahashi and K Shimoji, “Convergence theorems for nonexpansive mappings...
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báo cáo hóa học:" A shifted Legendre spectral method for fractional-order multi-point boundary value problems" ppt
... A shifted Legendre spectral method for fractional-order multi-point boundary value problems Ali H Bhrawy ∗1,2 and Mohammed M Al-Shomrani 1,3 Department of Mathematics, Faculty of Science, ... fractional differential equation with variable coefficients is treated using the shifted Legendre Gauss-Lobatto quadrature Saadatmandi and Dehghan [20] and Doha et al [21] derived the shifted Legendre ... University, Saudi Arabia ∗ Corresponding author: alibhrawy@yahoo.co.uk Email address: MMAS: malshomrani@hotmail.com Abstract In this article, a shifted Legendre tau method is introduced to get a direct...
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