Báo cáo sinh học: " Research Article Determining Consecutive

Báo cáo sinh học: " Research Article Determining Consecutive Periods of the Lorenz Maps" pot

... 2010, Article ID 985982, 15 pages doi:10.1155/2010/985982 Research Article Determining Consecutive Periods of the Lorenz Maps Fulai Wang School of Mathematics and Statistics, Zhejiang University of ... 2.12, we can determine the short periods and whether they have consecutive periods, which is one of the important characteristics of chaos in the sense of...

Ngày tải lên : 21/06/2014, 16:20

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Báo cáo sinh học: " Research Article On Marginal Distributions of the Ordered Eigenvalues of Certain Random Matrices" ppt

... aspect of random matrix theory, that is, the distribution of the eigenvalues of random matrices, has been successfully applied to the analysis and design of wireless communication systems [4]. These ... Distributions of Ordered Eigenvalues 3.1. General Expression for the Marginal Distribution Theorem 1. If the joint PDF of the ordered eigenvalues (λ 1 , ,λ m ) is given...

Ngày tải lên : 21/06/2014, 16:20

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báo cáo hóa học:" Research Article A Discrete Equivalent of the Logistic Equation" potx

... method, and is explicitly solved using the z-transform method. The connection of the solution of the discrete equivalent logistic equation with the solution of the logistic diﬀerential equation is ... proposed by the Belgian mathematician Pierre-Franc¸ois Verhulst 1804–1849 in 1838, in order to describe the growth of a population Pt under the assumptions that th...

Ngày tải lên : 21/06/2014, 11:20

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Báo cáo sinh học: " Research Article Existence and Uniqueness of Mild Solution for Fractional Integrodifferential Equations" docx

... 0. 3.27 So Φ is continuous. By Krasnosel’skii’s theorem, we have the conclusion of the theorem. Remark 3.3. In Theorem 3.2, if we furthermore suppose that the hypothesis H4 f  t, u  t  − f  t, ... s  q σ  dσ ds. 3.24 The right-hand side of 3.24 tends to 0 as t 2 → t 1 as a consequence of the continuity of St in the uniform operator topology for t>0 by...

Ngày tải lên : 21/06/2014, 16:20

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Báo cáo sinh học: " Research Article Global Optimal Regularity for the Parabolic Polyharmonic Equations" pptx

... our proof. 3. Proof of the Main Result In this section, we will ﬁnish the proof of the main result, Theorem 1.9.Justas6, we will use the following two lemmas. The ﬁrst lemma is the following integral ... Fund for the Doctoral Program of Higher Education of China 20093108120003. Moreover, the author wishes to thank the department of mathematics at Shanghai unive...

Ngày tải lên : 21/06/2014, 16:20

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Báo cáo sinh học: " Research Article Multiple Positive Solutions of Fourth-Order Impulsive Differential Equations with Integral Boundary Conditions and One-Dimensional p-Laplacian" ppt

... 3.17. Proof. The proof is similar to that of Theorem 3. 2of 6. Theorem 3.5. Assume that H 1 , H 2 , 3.1 of H 3  and 3.14 and 3.15 of H 4  hold. In addition, letting f and I k satisfy the ... For an introduction of the basic theory of impulsive diﬀerential equations, see Lakshmikantham et al. 1; for an overview of existing results and of recent research...

Ngày tải lên : 21/06/2014, 16:20

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Báo cáo sinh học: " Research Article A Multifactor Extension of Linear Discriminant Analysis for Face Recognition under Varying Pose and Illumination" pdf

... conditions. Each of G subj , G view ,andG light is calculated as the average of parts of the Gr am matrix G. Each entry of these three Gram-like matrices is the average of same-color entries of G.(a)G subj consists ... Despite the success of the LDA algorithm in many applications, the dimension of y LDA ∈ R n  p is often insuﬃcient for representing each sample. Th...

Ngày tải lên : 21/06/2014, 16:20

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Báo cáo sinh học: " Research Article Improving Density Estimation by Incorporating Spatial Information" pot

... prevent the diﬀusion of the density into the invalid region. In doing so, the boundary of the valid region may attain density values too large in comparison to the rest of the image when the size of ... model. The standard deviations σ of the Gaussians are given with each image. In all of these images, a nonzero density is estimated in the invalid region. Tak...

Ngày tải lên : 21/06/2014, 16:20

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Báo cáo sinh học: " Research Article Time-Frequency Data Reduction for Event Related Potentials: Combining Principal Component Analysis and Matching Pursuit" pot

... whether the ear was on the left side of the head or the right. Half of these target trials consisted of heads with the nose pointed up, such that the left ear would be on the left side of the head ... K is the total number of frequency samples. The elements of the dictionary, D, are the binomial TFDs of these atoms, G i (n, k). The number of elements...

Ngày tải lên : 21/06/2014, 16:20

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Báo cáo sinh học: " Research Article Nonblind and Quasiblind Natural Preserve Transform Watermarking" pot

... bpp = 2.5. It can be shown in the ﬁgure that the less the value of alpha, the less contribution of the original image in (2), and the lower the PSNR, but the more contribution of the Hartley basis in ... example of the water- marked image (unmasked and masked with the logo), along with the extracted logo. We note here that because of memory restrictions on t...

Ngày tải lên : 21/06/2014, 16:20

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