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second order differential equation in real life

Báo cáo hóa học:

Báo cáo hóa học: " Infinitely many periodic solutions for some second-order differential systems with p(t)Laplacian" potx

Hóa học - Dầu khí

... Neumann-type differential inclusion problem involving the p(x)-Laplacian. Nonlinear Anal.70, 3755–3760 (2009). doi:10.1016/j.na.2008.07.0314. Dai, G: Infinitely many solutions for a differential inclusion ... definitions and preliminary resultsare collected in Second 2. The main results and proofs are given in Section 3. Thethree examples are presented in Section 4 for illustrating our results. In ... Changsha,Hunan 410083, P. R. ChinaAbstract In this article, we investigate the existence of infinitely many periodic solutions forsome nonautonomous second- order differential systems with p (t...
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báo cáo hóa học:

báo cáo hóa học: " Study of the asymptotic eigenvalue distribution and trace formula of a second order operatordifferential equation" ppt

Hóa học - Dầu khí

... 1. Hence, beginning with some k ,Equation 2.6 has exactly one positive root corresponding to the imaginary root of Equation 2.5.Now, find the asymptotic of the imaginary roots of Equation 2.5. ... numerator in the vicinity of zerois O(zν+1), and the order of its denominator is O(zν), the integral along the left part ofcontour vanishes. Now, consider the integrals along the remaining three ... vec tor functions with values in H (see [30], p. 57) that vanish in the vicinity ofzero and are infinitely differentiable in the norm of H. Also, onD (L0)define theoperatorL0:L0Y...
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Báo cáo hóa học:

Báo cáo hóa học: "Research Article Iterative Solutions of Singular Boundary Value Problems of Third-Order Differential Equation" potx

Báo cáo khoa học

... Notes and Reports in Mathematics in Science and Engineering, Academic Press, Boston, Mass, USA, 1988.16 D. Guo, V. Lakshmikantham, and X. Liu, Nonlinear Integral Equations in Abstract Spaces, ... by using cone expansion-compression fixed point theorem. In 3,thesingular third -order three-point BVP 1.1 is considered under some conditions concerningthe first eigenvalues corresponding ... contraction mapping principleimplies thatAn0has a unique fixed point x∗ in CI,andsoA has a unique fixed pointx∗ in CI; by the definition ofA, A has a unique fixed point x∗ in CI,thatis,x∗is...
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ordinary and partial differential equation routines in matlab - h.j. lee & w.e. schiesser

ordinary and partial differential equation routines in matlab - h.j. lee & w.e. schiesser

Điện - Điện tử

... Programming in Maple3 Solution of a 2x2 ODE System 3.1 Programming in MATLAB3.2 Programming in C3.3 Programming in C++ 3.4 Programming in Fortran3.5 Programming in Java 3.6 Programming in Maple4 ... Solution of a Linear PDE4.1 Programming in MATLAB4.2 Programming in C4.3 Programming in C++4.4 Programming in Fortran4.5 Programming in Java4.6 Programming in Maple 5 Solution of a Nonlinear PDE5.1 ... ODE Integrators 1.7 Stability of RK Methods2 Solution of a 1x1 ODE System2.1 Programming in MATLAB2.2 Programming in C2.3 Programming in C++ 2.4 Programming in Fortran2.5 Programming in...
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báo cáo hóa học:

báo cáo hóa học: "Physical activity monitoring in obese people in the real life environment" pot

Điện - Điện tử

... physicalactivities (standing, sitting, walking, lying, reclining, step-ping, etc), walking speed, and energy expenditure pro-duced during activities (EE - measured in kcal/min or kJ/min or Watts). The ... validity of gait data. In the present study, even a trend in reduced time spent in walking and standing was present as well as an increasing in time spent sitting and a reduction in number of stepswalked, ... in obese subjects, and probably this greaterenergetic demand makes the obese subject to leading aless active life reinforcing a vicious circle. Also this findingis in agreement with data in...
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báo cáo hóa học:

báo cáo hóa học: " Recent trends in robot-assisted therapy environments to improve real-life functional performance after stroke" potx

Hóa học - Dầu khí

... function-ing in real life use of the upper arm [2-4]. New upper armrobotic devices including exoskeletons are being pro-posed to examine new training strategies that focus onusing more functional ... assist in the training and recovery of functional taskssuch as drinking. They compare the classical minimumjerk model [46] for point-to-point movements with actualmovements to perform a drinking ... improving the modeling and control of robot-assistedtherapy systems to aide them in adapting patients' move-ments to natural and functional activities such as walking,drinking, and pinching....
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Báo cáo toán học:

Báo cáo toán học: " Solving singular second-order initial/boundary value problems in reproducing kernel Hilbert space" pptx

Toán học

... age-structuredpopulation model. Nonlinear Anal. Real World Appl. 8, 1096–1112(2007)[14] Geng, F Z.: Solving singular second order three-point boundary valueproblems using reproducing kernel Hilbert space ... M G.: Solving singular nonlinear second- order peri-odic boundary value problems in the reproducing kernel space. Appl.Math. Comput. 192, 389–398 (2007)[16] Jiang, W., Cui, M G., Lin, Y Z.: ... Math. Numer. Sin. 30(3), 295–304 (2008) (in Chinese)[18] Zhang, X J., Lu, S R.: Computating reproducing kernels for 𝑊𝑚2[𝑎, 𝑏](II). Math. Numer. Sin. 30(4), 361–368 (2008) (in Chinese)[19]...
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Báo cáo hóa học:

Báo cáo hóa học: " On a class of second-order nonlinear difference equation" potx

Hóa học - Dầu khí

... second- order nonlinear difference equation Li Dongsheng1*, Zou Shuliang1and Liao Maoxin2* Correspondence: lds1010@sina.com1School of Economics andManagement, University of SouthChina, ... asymptotic stability1 Introduction and preliminariesMotivated by those work [1-17], especially [10], we consider in this paper the following second- order rational difference equation xn+1=1+xknxln−1+ ... a.Dongsheng et al. Advances in Difference Equations 2011, 2011:46http://www.advancesindifferenceequations.com/content/2011/1/46Page 2 of 9 Second, one investigates (b). From Equation (1.1), one hasxn+1−...
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Báo cáo hóa học:

Báo cáo hóa học: "Existence of positive solutions for nonlocal second-order boundary value problem with variable parameter in Banach spaces" doc

Hóa học - Dầu khí

... of ChinaAbstractBy obtaining intervals of the parameter l, this article investigates the existence of apositive solution for a class of nonlinear boundary value problems of second- order differential ... p-Laplacianfourth -order differential equations w ith integral boundary conditions. By usingMawhin’ s continuat ion theorem, some sufficient conditions for the existence ofsolution for a class of second- order ... subject tothe integral boundary condition. This study in this ar ticle is motivated by Feng and Ge[1], who applied a fixed point theorem [10] i n cone to the second- order differential equations.x(t...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Second-Order Contingent Derivative of the Perturbation Map in Multiobjective Optimization" doc

Hóa học - Dầu khí

... importantconcepts in this paper. In Section 3, we discuss some relationships between the second- order contingent derivative of a set-valued map and its profile map. In Section 4, by the second- order contingent ... stability in optimizationsee 1–16.Tanino5 obtained some results concerning sensitivity analysis in vectoroptimization by using the concept of contingent derivatives of set-valued maps introduced in ... weakly C-minimal point of M with respect to C if there exists no y ∈ M,such that y<Cy0.The sets of C-minimal point and weakly C-minimal point of M are denoted by MinCM andWMinCM,...
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báo cáo hóa học:

báo cáo hóa học:" Research Article Multiple Positive Solutions of a Singular Emden-Fowler Type Problem for Second-Order Impulsive Differential Systems" pdf

Hóa học - Dầu khí

... and Y. Wu, “Positive solutions of two-point boundary value problems for systemsof nonlinear second- order singular and impulsive differential equations,” Nonlinear Analysis: Theory,Methods & ... O2.4. Multiplicity In this section, we study existence of the second positive solution for two point boundaryvalue problem 3.20 with λ, μ in certain region of O1appeared in Theorem 3.8. For ... the main theorem for two point boundaryvalue problem 3.20 as follows.Theorem 4.1. Assume D1 ∼ D6. Then there exists a continuous curve Γ0splitting R2\{0, 0}into two disjoint...
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Báo cáo sinh học:

Báo cáo sinh học: " Research Article Positive Solutions of nth-Order Nonlinear Impulsive Differential Equation with Nonlocal Boundary Conditions" potx

Điện - Điện tử

... Reports in Mathematics in Science and Engineering, Academic Press, Boston, Mass, USA, 1988.Boundary Value Problems 93. Main ResultsWritefβ lim supx → βmaxt∈Jft, xx,fβ lim infx ... Pang, “A class of three-point boundary-value problems for second- order impulsiveintegro-differential equations in Banach spaces,” Nonlinear Analysis. Theory, Methods & Applications,vol. 70, ... nth order m-point boundary value problems in Banach spaces,” Applied Mathematics Letters, vol. 22, no. 8, pp. 1303–1308, 2009.25 X. He and W. Ge, “Triple solutions for second- order three-point...
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