Keywords: مشکالت ناخوشایند; Linear estimation; Ill-posed problems; Linear least squares; Regularization; Perturbed models;
مقالات ISI مشکالت ناخوشایند (ترجمه نشده)
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Keywords: مشکالت ناخوشایند; Inverse heat source problems; Ill-posed problems; Modified polynomial expansion method; Characteristic length concept;
Keywords: مشکالت ناخوشایند; Backward heat conduction problem; Ill-posed problems; Group-preserving scheme; Characteristic length concept;
Keywords: مشکالت ناخوشایند; 65R35; 53C35; 22E46; Ill-posed problems; Fractional Tikhonov regularization; Error estimate; Pseudo-differential operator;
Keywords: مشکالت ناخوشایند; Ill-posed problems; Analytic continuation; Modified Lavrentiev iterative; Error estimate;
Keywords: مشکالت ناخوشایند; 35K05; 35K99; 47J06; 47H10; Cauchy problem; Helmholtz equation; Ill-posed problems; Fourier transform; Truncation method; Perturbed wave number;
Keywords: مشکالت ناخوشایند; Inverse problems; Regularization methods; Ill-posed problems; Coefficient identification; Landweber iteration; Mollification method;
Keywords: مشکالت ناخوشایند; Moving force identification; Truncated generalized singular value decomposition; Time domain method; Ill-posed problems; Regularization matrix; Truncation parameter;
Keywords: مشکالت ناخوشایند; Inverse heat source problems; Ill-posed problems; Modified polynomial expansion method; Characteristic length concept
Keywords: مشکالت ناخوشایند; Regularization; Ill-posed problems; Hilbert space; Operator equation of first kind; Self-conjugate operator; Stopping criterion selection
Keywords: مشکالت ناخوشایند; Ill-posed problems; Parabolic equations; Regularization; Parameter choice; Semigroup;
Keywords: مشکالت ناخوشایند; 65F22; 15A29; Low rank approximation; Ill-posed problems; Regularization; TSVD; Tikhonov regularization; Inverse problems; Eckart-Young theorem; Approximate pseudoinverse;
Keywords: مشکالت ناخوشایند; Ill-posed problems; Ill-conditioning analysis; Singular value decomposition; Identifiability problems; Parameter subset selection; Tikhonov regularization
Keywords: مشکالت ناخوشایند; Delay reaction–diffusion systems; Non-linear instability; Global instability; Delay partial differential equations; Ill-posed problems; Exact solutions
Keywords: مشکالت ناخوشایند; Load identification; Shape function method; Moving least square fitting; Ill-posed problems; Regularization method; Inverse problem
Keywords: مشکالت ناخوشایند; Phase transition; Forward–backward equations; Ill-posed problems
Global Golub-Kahan bidiagonalization applied to large discrete ill-posed problems
Keywords: مشکالت ناخوشایند; Global Golub-Kahan bidiagonalization; Ill-posed problems; Gauss quadrature;
Noise representation in residuals of LSQR, LSMR, and CRAIG regularization
Keywords: مشکالت ناخوشایند; 15A29; 65F10; 65F22; Ill-posed problems; Regularization; Golub-Kahan iterative bidiagonalization; LSQR; LSMR; CRAIG;
Space–time localized radial basis function collocation method for solving parabolic and hyperbolic equations
Keywords: مشکالت ناخوشایند; Space–time formulation; Localized radial basis functions; Ill-posed problems
A new approximate method for an inverse time-dependent heat source problem using fundamental solutions and RBFs
Keywords: مشکالت ناخوشایند; Meshless methods; Radial basis functions; Method of fundamental solutions; Inverse heat source problem; Time-dependent heat source problems; Tikhonov regularization (TR); Ill-posed problems
A new iteratively total variational regularization for nonlinear inverse problems
Keywords: مشکالت ناخوشایند; Ill-posed problems; Total variational regularization; Bregman distance; Homotopy perturbation
High order implicit and explicit Lie-group schemes for solving backward heat conduction problems
Keywords: مشکالت ناخوشایند; Inverse heat source problems; Ill-posed problems; Modified polynomial expansion method; Characteristic length concept;
Direct computation method for solving a general nonlinear Fredholm integro-differential equation under the mixed conditions: Degenerate and non-degenerate kernels
Keywords: مشکالت ناخوشایند; 45JxxNonlinear Fredholm integro-differential equations; Ill-posed problems; Direct computation method; Mixed conditions; Degenerate and non-degenerate kernels
The index function and Tikhonov regularization for ill-posed problems
Keywords: مشکالت ناخوشایند; Index function; Regularization; Ill-posed problems
An efficient method to set up a Lanczos based preconditioner for discrete ill-posed problems
Keywords: مشکالت ناخوشایند; Lanczos bidiagonalization; Ill-posed problems; Preconditioner; Regularization; Singular value decomposition;
A predictor-corrector iterated Tikhonov regularization for linear ill-posed inverse problems
Keywords: مشکالت ناخوشایند; Ill-posed problems; Inverse problems; Iterated Tikhonov regularization; Discrepancy principle; Image deblurring;
Newton Lavrentiev regularization for ill-posed operator equations in Hilbert scales
Keywords: مشکالت ناخوشایند; Hilbert scales; Newton method; Lavrentiev regularization; Monotone operator; Ill-posed problems; Adaptive method
On a backward heat problem with time-dependent coefficient: Regularization and error estimates
Keywords: مشکالت ناخوشایند; Backward problem; Fourier transform; Ill-posed problems; Heat equation; Time-dependent coefficient
A new method for solving linear ill-posed problems
Keywords: مشکالت ناخوشایند; Ill-posed problems; Tikhonov regularization; L-curve; Generalized cross validation; Newton’s method
On a fractional backward heat conduction problem: Application to deblurring
Keywords: مشکالت ناخوشایند; Ill-posed problems; Image deblurring; Regularization; Error estimate
A Tikhonov-type method for solving a multidimensional inverse heat source problem in an unbounded domain
Keywords: مشکالت ناخوشایند; Inverse problems; Ill-posed problems; Generalized Tikhonov regularization; Stability estimate; Error estimate
Regularization methods for unknown source in space fractional diffusion equation
Keywords: مشکالت ناخوشایند; Space fractional diffusion equation; Ill-posed problems; Regularization methods
Alternating Krylov subspace image restoration methods
Keywords: مشکالت ناخوشایند; Ill-posed problems; Image restoration; Alternating iterative method; Krylov method;
Convergence rates for total variation regularization of coefficient identification problems in elliptic equations II
Keywords: مشکالت ناخوشایند; Coefficient identification; Ill-posed problems; Elliptic equations; Neumann problem; Total variation regularization; Convergence rates; Source conditions
The regularization method for Fredholm integral equations of the first kind
Keywords: مشکالت ناخوشایند; First kind Fredholm integral equations; Regularization method; Ill-posed problems
An improved iteration regularization method and application to reconstruction of dynamic loads on a plate
Keywords: مشکالت ناخوشایند; Load identification; Ill-posed problems; General source conditions; Iteration regularization
Approximate inverse method for stable analytic continuation in a strip domain
Keywords: مشکالت ناخوشایند; Analytic continuation; Ill-posed problems; Regularization; Approximate inverse; Reconstruction kernel
Regularization methods for a problem of analytic continuation
Keywords: مشکالت ناخوشایند; 30B40; 65J20Analytic continuation; Ill-posed problems; Generalized Tikhonov regularization; Stability estimate; Error estimate
A mollification regularization method for stable analytic continuation
Keywords: مشکالت ناخوشایند; 30B40; 65J20Analytic continuation; Ill-posed problems; Mollification method; Error estimate; A posteriori
Differentiation by integration with Jacobi polynomials
Keywords: مشکالت ناخوشایند; Numerical differentiation; Ill-posed problems; Jacobi orthogonal polynomials; Orthogonal series
The residual method for regularizing ill-posed problems
Keywords: مشکالت ناخوشایند; Ill-posed problems; Regularization; Residual method; Sparsity; Stability; Convergence rates;
Numerical differentiation for high orders by an integration method
Keywords: مشکالت ناخوشایند; Numerical differentiation; Ill-posed problems; The Lanczos generalized derivatives
An iterative Lagrange method for the regularization of discrete ill-posed inverse problems
Keywords: مشکالت ناخوشایند; Ill-posed problems; Inverse problems; Regularization methods; Lagrange method; Discrepancy principle
An efficient dynamical systems method for solving singularly perturbed integral equations with noise
Keywords: مشکالت ناخوشایند; Dynamical systems method (DSM); Variational regularization method (VRM); Ill-posed problems
A discrepancy principle for equations with monotone continuous operators
Keywords: مشکالت ناخوشایند; 47J05; 47J06; 47J35; 65R30Discrepancy principle; Monotone operators; Regularization; Nonlinear operator equations; Ill-posed problems
Spectral regularization methods for solving a sideways parabolic equation within the framework of regularization theory
Keywords: مشکالت ناخوشایند; Ill-posed problems; Sideways parabolic equation; Spectral regularization method; A-posteriori regularization parameter; Error estimate;
Stability results for the heat equation backward in time
Keywords: مشکالت ناخوشایند; The heat equation backward in time; Ill-posed problems; Mollification method; Stability estimate; Stable marching difference scheme
Splitting-based conjugate gradient method for a multi-dimensional linear inverse heat conduction problem
Keywords: مشکالت ناخوشایند; Inverse heat conduction problems; Ill-posed problems; Splitting method; Conjugate gradient method; Regularization
On unbounded operators and applications
Keywords: مشکالت ناخوشایند; Unbounded linear operators; Ill-posed problems; Regularization; Discrepancy principle
Discrepancy principle for DSM II
Keywords: مشکالت ناخوشایند; 47A52; 47D06; 47N40; 65L08; 65L09; 65L200.2.30.+g; 0.2.60.+y; 0.2.70.+dDynamical systems method (DSM); Ill-posed problems; Discrepancy principle; Evolution equation; Spectral theory