an image as an inverse problem

... in many fields of fracture mechanics as it calculates stresses and displacement at crack tips An important advantage of BEM determines discontinuous geometry in mechanical, medical or soil problems ... method gains the fast convergence rate with small error (10-5) The computing technique of inverse problem can extend to problems such as soil mechanics, medical field, solid mechanics… Results of ... e and u e are x M row vectors and Φ is an M x column vector The simplest shape functions are constant and linear shape functions In constant shape function, only one node exists per element and...

Ngày tải lên: 13/08/2014, 22:21

... written as (3) for some Riccati solution X , KB must be symmetric In view of (12), (14), and (15) KB = L1 A2 + A4 + = DL + 8: and hence (30) and hence (28) reduces to (20) Conversely, assume (20) and ... D O Anderson and J B Moore, Optimal Control: Linear Quadratic Methods Englewood Cliffs, NJ: Prentice Hall, 1990 [4] W L Eastman and J A Bossi, “Design of linear quadratic regulators with assigned ... viewpoint of the inverse regulator problem, ” IEEE Trans Automat Contr., vol AC-32, pp 995–1004, 1987 [6] T Fujii and M Narazaki, “A complete optimality condition in the inverse problem of optimal...

Ngày tải lên: 26/11/2015, 09:21

... was studied by Gasymov and Darwish In these papers, solution of inverse scattering problem on the half-line 0, ∞ by using the transformation operator was reduced to solution of two inverse problems ... A Darwish, “The inverse problem for a singular boundary value problem, ” New Zeland Journal of Mathematics, vol 22, pp 37–66, 1993 I M Guse˘nov and R T Pashaev, “On an inverse problem for a second-order ... Advances and Applications, pp 187–194, Birkh¨ user, a Basel, Switzerland, 2001 26 W Rundell and P Sacks, “Numerical technique for the inverse resonance problem, ” Journal of Computational and...

Ngày tải lên: 21/06/2014, 16:20

... critical value of I and c ≥ α Remark 3.2 (see [5, Remark 5.5(iii)]) Suppose I |Y ≤ and there are an e ∈ ∂B1 X and T > ρ such that I(u) ≤ for u ∈ Y ⊕ span{e} and u ≥ T, then for any large T, Q = ... uϕdx = holds for any ϕ ∈ H0 (Ω) The following definition has become standard (2.3) S Weng and Y Li Definition 2.1 (see [6, Definition 1.16]) Let c ∈ R, let E be a Banach space, and let I ∈ C (E, ... tu, such that e μ > r and Jμ (e) ≤ By the mountain pass theorem, Jμ has a positive critical value, and problem − u− μ p −1 u = u+ + λu+ |x| u ∈ H0 (Ω) in Ω \ {0}, (4.6) has a nontrivial solution...

Ngày tải lên: 22/06/2014, 22:20

... quantization (13) A new view on an old problem in quantum chromodynamics The possibilities of such a stochastization and its physical meaning can be seen on the simplest example of the Abelian ... Nguyen Suan Han and gluons in the mass shell regime and simultaneously one proposes that quarks and gluons not contribute to the observable physical states of the left-hand side of Eq.(1) ... of asymptotic freedom defines the ranges of validity of perturbation theory as at q = Λ the coupling constant is infinite Attempts are made to bind Λ with the scale of the P CAC and hadron mass...

Ngày tải lên: 05/03/2014, 14:20

... AMERICAN MEAT London and New York, 1910 AN ETHICAL PROBLEM OR SIDELIGHTS UPON SCIENTIFIC EXPERIMENTATION ON MAN AND ANIMALS BY ALBERT LEFFINGWELL, M.D LATE PRESIDENT OF THE AMERICAN HUMANE ASSOCIATION ... biology was undoubtedly very great In a mean and sordid society, he was an enthusiast for the acquisition of knowledge, and while his passion for physiology induced as it so often does an indifference ... has compared to burning alive, "the utmost degree of prolonged and excruciating agony." By some, its utility to humanity is constantly asserted, and by others as earnestly and emphatically and...

Ngày tải lên: 16/03/2014, 04:20

... Problems O H Hald and J R McLaughlin, “Solutions of inverse nodal problems,” Inverse Problems, vol 5, no 3, pp 307–347, 1989 10 X.-F Yang, “A solution of the inverse nodal problem, ” Inverse Problems, ... Value Problems only the set of nodal points This interesting problem has soon been known as the inverse nodal problem 7–10 Numerical methods often transform the inverse Sturm-Liouville problem ... T In this section, we have transformed the inverse Sturm-Liouville problem in 1.1 into an inverse parameter identified problem for the PDE in 2.2 , and finally to an estimation of n coefficients...

Ngày tải lên: 21/06/2014, 22:20

... l (an 4) + l (an 3 ) = a = l(a1 ) l (an 3) + l (an 2 ) = −b = l (an) 288 Shuchao Li, Huiling Zhou, and Yanqin Feng l (an 2) + l (an 1) = −b − l (an 3) + a + b = a − l (an 3 ) = l (an 4 ) l (an 1) + l (an ... + l (an ), by (2.1) and property (1) we have l (an 3) + l (an ) = a − l (an 4 ) − b = |l (an 4)| − (b − a) < |l (an 4)| On the other hand, by (2.1) and properties (1) and (2) we have l (an 3) + l (an ... |l (an 5)| < l (an 3 ) + l (an 1) < |l (an 4)|, so l (an 3) + l (an ) is not a label by property (2) (iii) For l (an 2) + l (an ), by property(1) we have |l (an 2) + l (an )| > |l (an 2)| So l (an 2) + l (an ) is...

Ngày tải lên: 06/08/2014, 05:20

... FH07b], Foata and Han reproved the theorem, found interesting further extensions and an important ‘1 = q’ principle which allows easy algebraic proofs of certain q-equations (implicitly based on the ... right-quantum MacMahon theorem, and some further generalizations The approach there serves as a basis for [Kon07], in which the right-quantum Sylvester’s determinant identity is proved by similar means ... appear in α (then it appears only as an ending height in β ) or not (then it appears once as a starting height and twice as an ending height in β ) There exists an obvious involution between the...

Ngày tải lên: 07/08/2014, 15:23

... The antibiotic susceptibilities of Xanthomonas maltophilia and their relation to clinical management Pathology 1994, 26:321-324 Vartivarian S, Anaissie E, Bodey G, Sprigg H, Rolston K: A changing ... maltophilia No organism was isolated from the other set of blood taken simultaneously via a percutaneous venipuncture The Hickman catheter tip culture showed no growth The second organism was isolated ... susceptibility of Xanthomonas maltophilia; implications for therapy Antimicrob Agents Chemother 1994, 38:624-627 National Committee for Clinical Laboratory Standards Performance standards for antimicrobial...

Ngày tải lên: 08/08/2014, 19:20

... suffered from a head and neck cancer or metastases in the head and neck area Treatment areas were in 21 cases the head and neck patients were treated thoracically, pelvic and one abdominal (Table ... bronchial carcinoma and head and neck cancer, also for cervical carcinoma, anal cancer and several other carcinomas it has been reported that prolongation of overall treatment time and interruption ... neck cancer Head Neck 2005, 27:36-43 36 Chopra T, Alangaden GJ, Chandrasekar P: Clostridium difficile infection in cancer patients and hematopoietic stem cell transplant recipients Expert Rev Anti...

Ngày tải lên: 09/08/2014, 09:20

... Yang S, Xu S, Gao M, Huang W, Gao T, Fang Q, Quan C, Zhang C, Sun L, Liang Y, Han J, Wang Z, Zhang F, Zhou Y, Liu J, Zhang X: Genetic variation of promoter sequence modulates XBP1 expression and ... recognizes melanocytes, and tyrosinase-402Arg is likely to make a greater contribution than tyrosinase-402Gly to immune surveillance (and thus protection) against malignant melanoma and to susceptibility ... al.: ASIP and TYR pigmentation variants associate with cutaneous melanoma and basal cell carcinoma Nat Genet 2008, 40:886-891 14 Bishop DT, Demenais F, Iles MM, Harland M, Taylor JC, Corda E, RandersonMoor...

Ngày tải lên: 11/08/2014, 12:21

... Conference on Decision and Control, IEEE, pp 1184–1189 England (1991) Campion, G., d’Andrea-Novel, B., Bastin, G.: Controllability and state feedback stabilization of nonholo-nomic mechanical systems ... Stability, Convergence and Robustness Prentice-Hall, Engle-wood Cliffs, NJ (1989) Campion, G., d’Andrea-Novel, B., Bastin, G.: Modeling and State Feedback Control of Nonholonomic Mechanical Systems In: ... Brockett, R.W.: Asymptotic stability and fedback stabilization In: Brockett, R.W., Milman, R.S., Sussman H.J (eds.) Differential Geometric Control Theory, pp 181–191 Boston (1983) Sastry, S.S.,...

Ngày tải lên: 12/10/2014, 08:30

... in the past decade, and by encoding sentence generation as a planning problem, we are set to profit from any future improvements; it is an advantage of the planning approach that we can compare ... planners to make generators faster and more flexible Conversely, our PDDL problems are a challenge for current planners and open up NLG as an application domain that planning research itself can ... the goal This plan can be read as a derivation tree that has one node for each action instance in the plan, and an edge from node u to node v if u establishes a subst 339 or canadjoin fact that...

Ngày tải lên: 20/02/2014, 12:20

... Struppa,FundamentalsAlgebraicMicrolocalAnalysis(1999) of 218 G.X.-Z.Yuan,KKM Theory Applicationsin Nonlinear and Analysis(1999) 219 D Motreanu N H Pave/, Tangency, Invariancefor Differential Equations, and Flow andOptimization Problems ... constructing solutions of inverse problems find a wide range of applications and are galmng increasing popularity One more important inverse problem for parabolic equations is the problem with the final ... solution, began to spread to more and more branches as they gradually took on an important place in applied problems arising in "real-life" situations Froma classical point of view, the problems...

Ngày tải lên: 17/03/2014, 14:30