newton apos s method for finding roots

... initializing basis for EM methods It has also shown promise for finding noun phrases in English and Chinese, as well as finding new Chinese words which were not tokenized by a Chinese word tokenizer ... towards being translated as compound domain-specific terms such as follows: • slang: Some word pairs seem unlikely to be translations of each other, such as collusion and its first three candidates ... corpus in our future work Tagging errors also caused some translation mistakes English words with multiple senses also tend to be wrongly translated at least in part (e.g., means) There is no...

Ngày tải lên: 20/02/2014, 22:20

... follows In Section 2, we specify some hypotheses, precise sense of the weak solution, then we state the main results and some Lemmas that needed in the sequel In Section 3, by the Rothe–Galerkin method, ... method, we construct approximate solutions to problem (P) Some a priori estimates for the approximations are derived In Section 4, we prove the main results Hypothesis and mean results To solve problem ... uniqueness of solution as well as some regularity results are obtained via Rothe–Galerkin method Keywords: Rothe s method; a priori estimate; integrodifferential equation; Galerkin method; weak solution...

Ngày tải lên: 21/06/2014, 17:20

... Banach space and let {Sn } a sequence of mappings of C into itself Suppose that ∞ sup{ Sn z − Sn z : z ∈ C} < ∞ Then, for each n x ∈ C, {Sn x} converges strongly to some point of C Moreover, let S ... mappings on H Under suitable conditions, some strong convergence theorems for approximating to this common elements are proved Our results extend and improve some corresponding results in 3, ... and the references therein 4 Fixed Point Theory and Applications Preliminaries This section collects some lemmas which will be used in the proofs for the main results in the next section Let H...

Ngày tải lên: 21/06/2014, 20:20

... forms of the phase function for some typical cases in both SAR and ISAR systems (1) For nonmoving targets in SAR systems and for constant velocity targets in ISAR systems, the phase function can ... (2) So, the received signal is a 2D complex sinusoid (2) Phase function of moving targets in the SAR systems is analyzed in [1] Similar results are observed in some ISAR systems with uniform ... ISAR targets with fast and 3D maneuvers can produce phase function of the form SIGNAL MODEL In both SAR and ISAR systems series of signals is transmitted toward radar target Commonly, these signals...

Ngày tải lên: 22/06/2014, 19:20

... occurrences at a position, the consensus can be chosen randomly from these bases And the consensus sequence consists of the consensuses at each position as illustrated in Figure 2.1 occurrences of ... find interesting features in long genomic sequences Similar substrings between sequences are considered as possible occurrences of a feature Based on such substrings, we derive the possible feature ... sequences si and sj of length l, dist(si , sj ) is defined to be the hamming distance between si and sj , that is, the number of mismatches between si and sj Let dist (s, S) = i=1,2,3 dist (s, si )...

Ngày tải lên: 03/10/2015, 21:58

... the arrangement of NLCs of the client points This method involves three major steps The first step is to construct a set of NLCs for client points Similar to our method, this step can be done in ... two sets of NLCs: the NLCs that contains q2 and the NLCs where q2 is on their perimeters All the NLCs in these two sets intersect q2 and therefore intersect Q Hence Q.I is a superset of the set ... contains Q must intersect Q, we have Q.C ⊆ Q.I We use the sum of the scores of NLCs in Q.C as the lower bound of Q s MinScore, and the sum of the scores of NLCs in Q.I as the upper bound of Q s MaxScore...

Ngày tải lên: 16/10/2015, 11:58

... and loss of neurons (Fig 7C), with a similar loss evident for all peptides Discussion Because extensive evidence supports a crucial role for Ab in Alzheimer s disease pathogenesis, there is huge ... urea Mass spectrometry, amino acid analysis and sequencing Amino acid analysis was performed at the Amino Acid Analysis Center, University of Uppsala, Sweden Sequence analysis was performed using ... V All reagents were supplied by Electron Microscopy Sciences (Hatfield, PA, USA) Assessement of SEC-isolated peptides by HPLC and SDS-PAGE Samples (100 lL) of peptides isolated by SEC were injected...

Ngày tải lên: 18/02/2014, 13:20

Ngày tải lên: 17/03/2014, 13:45

... It is shown in [5] that the class of asymptotically κ-strictly pseudocontractive mappings and the class of κ-strictly pseudocontractive mappings are independent A mapping T is said to be uniformly ... modified Mann iterative processes for this class of mappings Moreover, a strong convergence theorem was also established in a real Hilbert space by hybrid projection method They proved the following ... processes for asymptotically nonexpansive mappings Proc Am Math Soc 122(3), 733–739 (1994) [11] Huang, Z: Mann and Ishikawa iterations with errors for asymptotically nonexpansive mappings Comput...

Ngày tải lên: 18/06/2014, 22:20

... otherwise difficult to model Among various kinds of fuzzy methods, Takagi-Sugeno T -S fuzzy model provides a successful method to describe certain complex nonlinear systems using some local linear subsystems ... fuzzy drive and response systems, is proposed for time delayed chaotic systems with unknown parameters Based on Lyapunov-Krasovskii stability theory and LMI formulation, the proposed scheme can guarantee ... model-based chaos control and synchronization, most works were restricted to chaotic systems without time-delay Due to finite signal transmission times, switching speeds and memory effects, time...

Ngày tải lên: 21/06/2014, 07:20

... thesis is the result of a literature study on Immersed Boundary Methods (IBMs) The literature study is based on a selected number of articles, presentations and conversations Its purpose is not ... very stiff or rigid bodies, continuous forcing is likely to cause trouble since most methods give rise to ”stiff” numerical systems Satisfactory results have only been attained for low Reynolds ... classes can be distinguished within IBMs: the first deals with moving immersed boundaries and is very suitable for Fluid-Structure Interaction (FSI) problems, the second focuses on (complex) static...

Ngày tải lên: 11/07/2014, 23:20

... Ditzler A: State syringe and drug possession laws potentially influencing safe syringe disposal by injection drug users J Am Pharm Assoc (Wash) 2002, 42 :S9 4-98 Small D: Two cultures passing in the ... drug use Possession of injection equipment for the purpose of injecting illicit drugs is unlawful in many U .S jurisdictions, severely restricting syringe access [8-10] A recent study of 89 U .S cities ... injection drug users (IDUs) [1,2] Many states and localities have implemented syringe access programs (SAPs) to reduce the sharing of syringes, including over the counter syringe sales and syringe exchange...

Ngày tải lên: 11/08/2014, 18:20

... distance matrix completion problem are discussed in details Extensive numerical results for large scale SDPs show that the proposed method is very powerful in solving the SDP relaxations arising ... between sensors that are within radio range and the positions of a subset of the sensors (called anchors) Although it is possible to find the position of each sensor in a wireless sensor network ... as the important applications of Euclidean distance matrices The sensor network localization problem consists of locating the positions of wireless sensors, given only the distances between sensors...

Ngày tải lên: 12/09/2015, 21:26

... distinguish closely spaced sources in small samples and in low SNR scenarios the MUSIC method also does not perform well for highly correlated signals And For the case of coherent signals (two signals ... multidimensional search to find the estimates Steepest descent method, Gauss -Newton method and other search methods can be applied to this search Usually the initial guess is important to apply these search ... signal model is introduced first Then several classical methods are discussed including spectral-based methods and the maximum likelihood (ML) methods The spectral-based methods include beamforming...

Ngày tải lên: 15/09/2015, 22:51

... of satisfying mass conservation in each step is relaxed This allows efficient numerical schemes developed for compressible flows to be used for incompressible flows Chang and Kwak (1984) suggested ... artificial viscosity discretization schemes When standard central differences are used to discretize the steady incompressible Navier-Stokes equations (SINSE), an instability problem arises because of ... applying the same scheme to the unknowns in the reverse order, using the same ω Usually, the SSOR method is less efficient than the SOR method, unless acceleration techniques such as Chebyshev and 14...

Ngày tải lên: 16/09/2015, 15:43

... strong semismoothness assumed in Theorem 4.2.3 still needs a deep discussion At least, we have shown the reasonability of this assumption One may derive certain conditions under which the assumption ... theorems and stability analysis for nonsmooth equations Moreover, a stronger notion is γ−order semismoothness with γ > For any γ > 0, H is said to be γ-order G-semismooth (respectively, γ-order semismooth) ... (strongly semismooth) function around its nondifferentiable points, provided that f is semismooth (strongly semismooth, respectively) with respect to x(t) Since the semismoothness (strongly semismoothness)...

Ngày tải lên: 26/09/2015, 09:56

... National University of Singapore Master s thesis Abstract In this thesis, we study a smoothing Newton- BiCGStab method for the least squares nonsymmetric matrix nuclear norm problems For this type of ... Newton- BiCGStab method has been shown to resolve such difficulty for the least squares semidefinite programming problems [6] Similarly we may also introduce smoothing functions for the least squares nonsysmetric ... a result, we show that the smoothing Newton- BiCGStab method which was introduced for solving least squares semidefinite programming problems can be extended to solve the least squares nonsymmetric...

Ngày tải lên: 26/09/2015, 09:56

... the strict inequality follows from (2.8) Since the sequence {∆ˆ xk } satisfies ∆ˆ xk ≤ 1, by passing to a subsequence, if necessary, we may assume that there ˆ exists a constant δˆ ∈ (0, 1] such ... (1.3) For the details, see [7] The purpose of this thesis is twofold First we modify the SQP Newton method of Pang and Qi with a much less restrictive assumption than the BD-regularity Secondly ... is the dual problem of the least squares covariance matrix (LSCM) problems with inequality constraints The purpose of this thesis is to introduce an efficient inexact SQP Newton method for solving...

Ngày tải lên: 28/09/2015, 13:38

... Since t /s > 1, it is obvious that as1 m s i=1 since asi m s i=1 t /s asm m s i=1 + ··· + as1 m s i=1 t /s < + ··· + asm m s i=1 = 1, ∈ (0, 1) It follows that ( at1 m s t /s i=1 ) + ··· + atm m s ... also assume that at least one of the sets Ω, Ω1 , , Ωm is bounded which guarantees the existence of an optimal solution; see [16] These are our standing assumptions for the remainder of this section ... assumption that at least one of the sets Ω, Ω1 , , Ωm is bounded What remains to be shown is the uniqueness of this solution We consider two cases In the first case, we assume that m ¯ Observe i=1 (Ω...

Ngày tải lên: 14/10/2015, 08:03