1997 | OriginalPaper | Buchkapitel
Solutions of m-Point Boundary Value Problems
verfasst von : Ravi P. Agarwal, Patricia J. Y. Wong
Erschienen in: Advanced Topics in Difference Equations
Verlag: Springer Netherlands
Enthalten in: Professional Book Archive
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Here, first we shall find connections between the solutions of the initial value problem (6.1), and its perturbed system (6.2) satisfying, instead of the same initial condition y(k0) = x0, the m-point boundary conditions 33.1 $${A_1}y({k_1}) + {A_2}y({k_2}) + \cdots + {A_m}y({k_m}) = \gamma ,$$ where k0 ≤ k1 ≤ k2 ⋯ ≤ k m ≤ k0 + J, k i ∈ I0,J = {k0, k0 + 1, ⋯ , k0 + J}, A i ∈ ℝn×n, i = 1, 2, ⋯ , m are constant matrices, and γ ∈ ℝn is a constant vector. Then, these connections will be used to study the existence and uniqueness of the solutions of the boundary value problem (6.2), (33.1) in ‘generalized (vector) normed spaces’. An iterative scheme which can be used to compute approximate solutions of (6.2), (33.1) will also be provided. In what follows, it is sufficient to assume that the systems (6.1) and (6.2) are defined only on I0,J . We begin with the following: