Neural network augmented inverse problems for PDEs
J Berg, K Nyström - arXiv preprint arXiv:1712.09685, 2017 - arxiv.org
In this paper we show how to augment classical methods for inverse problems with artificial
neural networks. The neural network acts as a prior for the coefficient to be estimated from …
neural networks. The neural network acts as a prior for the coefficient to be estimated from …
Convergence rate analysis of Galerkin approximation of inverse potential problem
In this work we analyze the inverse problem of recovering a space-dependent potential
coefficient in an elliptic/parabolic problem from distributed observation. We establish novel …
coefficient in an elliptic/parabolic problem from distributed observation. We establish novel …
Matrix coefficient identification in an elliptic equation with the convex energy functional method
In this paper we study the inverse problem of identifying the diffusion matrix in an elliptic
PDE from measurements. The convex energy functional method with Tikhonov …
PDE from measurements. The convex energy functional method with Tikhonov …
[HTML][HTML] Neural networks as smooth priors for inverse problems for PDEs
J Berg, K Nyström - Journal of Computational Mathematics and Data …, 2021 - Elsevier
In this paper we discuss the potential of using artificial neural networks as smooth priors in
classical methods for inverse problems for PDEs. Exploring that neural networks are global …
classical methods for inverse problems for PDEs. Exploring that neural networks are global …
An ADMM-Newton-CNN numerical approach to a TV model for identifying discontinuous diffusion coefficients in elliptic equations: convex case with gradient …
Identifying the discontinuous diffusion coefficient in an elliptic equation with observation data
of the gradient of the solution is an important nonlinear and ill-posed inverse problem …
of the gradient of the solution is an important nonlinear and ill-posed inverse problem …
Finite element analysis for identifying the reaction coefficient in PDE from boundary observations
TNT Quyen - Applied Numerical Mathematics, 2019 - Elsevier
This work is devoted to the nonlinear inverse problem of identifying the reaction coefficient in
an elliptic boundary value problem from single Cauchy data on a part of the boundary. We …
an elliptic boundary value problem from single Cauchy data on a part of the boundary. We …
Numerical solution of an elliptic 3-dimensional Cauchy problem by the alternating method and boundary integral equations
We consider the Cauchy problem for the Laplace equation in 3-dimensional doubly-
connected domains, that is the reconstruction of a harmonic function from knowledge of the …
connected domains, that is the reconstruction of a harmonic function from knowledge of the …
[HTML][HTML] Numerical methods for identifying the diffusion coefficient in a nonlinear elliptic equation
H Jian, ID Kh - Математические заметки СВФУ, 2021 - cyberleninka.ru
Two different approaches for solving a nonlinear coefficient inverse problem are
investigated in this paper. As a classical approach, we use the finite element method to …
investigated in this paper. As a classical approach, we use the finite element method to …