Výsledky vyhledávání - numerical solution to inverse problems in abstract space
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Initial value/boundary value problems for fractional diffusion-wave equations and applications to some inverse problems
ISSN: 0022-247X, 1096-0813Vydáno: Amsterdam Elsevier Inc 01.10.2011Vydáno v Journal of mathematical analysis and applications (01.10.2011)“…) the uniqueness of solution by the decay rate as t → ∞ , (iv) stability in an inverse source problem of determining t-dependent factor in the source by observation at one point over ( 0 , T ) …”
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A local meshless method for the numerical solution of space‐dependent inverse heat problems
ISSN: 0170-4214, 1099-1476Vydáno: Freiburg Wiley Subscription Services, Inc 15.03.2021Vydáno v Mathematical methods in the applied sciences (15.03.2021)“…In this paper, a local radial basis function collocation method is proposed for the numerical solution of inverse space…”
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Hanke–Raus rule for Landweber iteration in Banach spaces
ISSN: 0029-599X, 0945-3245Vydáno: Berlin/Heidelberg Springer Berlin Heidelberg 01.02.2024Vydáno v Numerische Mathematik (01.02.2024)“…We consider the Landweber iteration for solving linear as well as nonlinear inverse problems in Banach spaces…”
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The Mathematics of Atmospheric Dispersion Modeling
ISSN: 0036-1445, 1095-7200Vydáno: Philadelphia, PA Society for Industrial and Applied Mathematics 01.01.2011Vydáno v SIAM review (01.01.2011)“… The results are then applied to solving an inverse problem in which emission source rates are determined from a given set of ground-level contaminant measurements…”
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UNCERTAINTY QUANTIFICATION AND WEAK APPROXIMATION OF AN ELLIPTIC INVERSE PROBLEM
ISSN: 0036-1429, 1095-7170Vydáno: Philadelphia, PA Society for Industrial and Applied Mathematics 01.01.2011Vydáno v SIAM journal on numerical analysis (01.01.2011)“…We consider the inverse problem of determining the permeability from the pressure in a Darcy model of flow in a porous medium…”
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An investigation of an inverse problem for second-order abstract differential equation: An investigation of an inverse problem
ISSN: 0019-5588, 0975-7465Vydáno: New Delhi Indian National Science Academy 01.06.2025Vydáno v Indian journal of pure and applied mathematics (01.06.2025)“…In this manuscript, we consider an inverse problem for a second-order abstract differential equation in a Banach space and identify the parameter using an over-determined condition on a mild solution…”
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Numerical methods for time-fractional evolution equations with nonsmooth data: A concise overview
ISSN: 0045-7825, 1879-2138Vydáno: Amsterdam Elsevier B.V 01.04.2019Vydáno v Computer methods in applied mechanics and engineering (01.04.2019)“… The present paper gives a concise overview on numerical schemes for the subdiffusion model with nonsmooth problem data, which are important for the numerical analysis of many problems arising…”
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Numerical Solution of the Retrospective Inverse Parabolic Problem on Disjoint Intervals
ISSN: 2079-3197, 2079-3197Vydáno: Basel MDPI AG 01.10.2023Vydáno v Computation (01.10.2023)“… We consider the inverse retrospective problem for a one-dimensional parabolic equation in two disconnected intervals with weak solutions in weighted Sobolev spaces…”
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Numerical solution of the inverse spectral problem for Bessel operators
ISSN: 0377-0427, 1879-1778Vydáno: Kidlington Elsevier B.V 01.11.2010Vydáno v Journal of computational and applied mathematics (01.11.2010)“…We consider some inverse spectral problems associated with the singular Sturm–Liouville equation − u ″ + ( q ( x ) + ℓ ( ℓ + 1 ) x 2 ) u = λ u 0 < x < 1 for ℓ = 1 , 2 … , which is obtained by separation of variables in the 3D radial…”
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A Unifying Representer Theorem for Inverse Problems and Machine Learning
ISSN: 1615-3375, 1615-3383Vydáno: New York Springer US 01.08.2021Vydáno v Foundations of computational mathematics (01.08.2021)“… The method is applicable whenever the problem is formulated as an optimization task. The standard strategy consists in augmenting the original cost functional by an energy that penalizes solutions with undesirable behavior…”
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Existence and uniqueness of a solution for a two dimensional nonlinear inverse diffusion problem
ISSN: 0362-546X, 1873-5215Vydáno: Amsterdam Elsevier Ltd 01.04.2011Vydáno v Nonlinear analysis (01.04.2011)“… that (a,u) is a solution of the corresponding inverse problem…”
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The use of Chebyshev cardinal functions for the solution of a partial differential equation with an unknown time-dependent coefficient subject to an extra measurement
ISSN: 0377-0427, 1879-1778Vydáno: Kidlington Elsevier B.V 01.12.2010Vydáno v Journal of computational and applied mathematics (01.12.2010)“…A numerical technique is presented for the solution of a parabolic partial differential equation with a time-dependent coefficient subject to an extra measurement…”
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On a regularized Levenberg–Marquardt method for solving nonlinear inverse problems
ISSN: 0029-599X, 0945-3245Vydáno: Berlin/Heidelberg Springer-Verlag 01.04.2010Vydáno v Numerische Mathematik (01.04.2010)“…We consider a regularized Levenberg–Marquardt method for solving nonlinear ill-posed inverse problems…”
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On Krylov solutions to infinite-dimensional inverse linear problems
ISSN: 0008-0624, 1126-5434Vydáno: Cham Springer International Publishing 01.09.2019Vydáno v Calcolo (01.09.2019)“…We discuss, in the context of inverse linear problems in Hilbert space, the notion of the associated infinite-dimensional Krylov subspace and we produce necessary and sufficient conditions…”
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A new regularization method for solving a time-fractional inverse diffusion problem
ISSN: 0022-247X, 1096-0813Vydáno: Amsterdam Elsevier Inc 15.06.2011Vydáno v Journal of mathematical analysis and applications (15.06.2011)“…In this paper, we consider an inverse problem for a time-fractional diffusion equation in a one-dimensional semi-infinite domain…”
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A Deep Learning Approach to Navigating the Joint Solution Space of Redundant Inverse Kinematics and Its Applications to Numerical IK Computations
ISSN: 2169-3536, 2169-3536Vydáno: Piscataway IEEE 2023Vydáno v IEEE access (2023)“… Numerical optimizations are commonly used to solve the problem due to their generality and accuracy…”
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Uniqueness of a Solution to the Lavrent’ev Integral Equation in n-Dimensional Space
ISSN: 0965-5425, 1555-6662Vydáno: Moscow Pleiades Publishing 01.03.2024Vydáno v Computational mathematics and mathematical physics (01.03.2024)“… Conditions under which the studied equation has a unique solution are established. Results of numerical experiments concerning the solution of the inverse acoustic…”
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The Convex Geometry of Linear Inverse Problems
ISSN: 1615-3375, 1615-3383Vydáno: New York Springer-Verlag 01.12.2012Vydáno v Foundations of computational mathematics (01.12.2012)“… This paper provides a general framework to convert notions of simplicity into convex penalty functions, resulting in convex optimization solutions to linear, underdetermined inverse problems…”
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Approximation of inverse problems for fractional differential equations in abstract spaces
ISSN: 1110-0168Vydáno: Elsevier B.V 01.05.2025Vydáno v Alexandria engineering journal (01.05.2025)“…This article focuses on approximating a fractional-order inverse problem (IP) for an abstract differential equation in a Hilbert space…”
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NUMERICAL SOLUTION OF THE INVERSE GARDNER EQUATION
ISSN: 2146-1147, 2146-1147Vydáno: Istanbul Turkic World Mathematical Society 01.04.2023Vydáno v TWMS journal of applied and engineering mathematics (01.04.2023)“…In this paper, the numerical solution of the inverse Gardner equation will be considered…”
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