Found 810 Documents (Results 1–100)
A posteriori error analysis for a multidimensional hydrogeological parameter estimation in a time dependent model. (English) Zbl 07894801
An adaptive certified space-time reduced basis method for nonsmooth parabolic partial differential equations. (English) Zbl 07870807
Inexpensive polynomial-degree-robust equilibrated flux a posteriori estimates for isogeometric analysis. (English) Zbl 07854441
MSC:
65Mxx
Accurate error estimation for model reduction of nonlinear dynamical systems via data-enhanced error closure. (English) Zbl 1536.65073
Recovery type a posteriori error estimation of an adaptive finite element method for Cahn-Hilliard equation. (English) Zbl 1530.65117
Robust flux reconstruction and a posteriori error analysis for an elliptic problem with discontinuous coefficients. (English) Zbl 1530.65157
The maximum a posteriori estimation model for signal recovery with mixed Gaussian and impulse noise. (English) Zbl 1528.94021
Reviewer: Yankui Sun (Beijing)
Connecting Hamilton-Jacobi partial differential equations with maximum a posteriori and posterior mean estimators for some non-convex priors. (English) Zbl 07914339
Chen, Ke (ed.) et al., Handbook of mathematical models and algorithms in computer vision and imaging. Mathematical imaging and vision. Springer Reference. Cham: Springer. 209-233 (2023).
Genetic algorithm with a Bayesian approach for multiple change-point detection in time series of counting exceedances for specific thresholds. (English) Zbl 07826500
MSC:
62-XX
A mixed stochastic approximation EM (MSAEM) algorithm for the estimation of the four-parameter normal ogive model. (English) Zbl 1532.62070
MSC:
62P15
An a posteriori error estimator for isogeometric analysis on trimmed geometries. (English) Zbl 1534.65038
Analysis of defects and harmonic grid generation in domains with angles and cutouts. (English. Russian original) Zbl 1535.65297
Comput. Math. Math. Phys. 63, No. 12, 2402-2434 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 12, 2096-2129 (2023).
A posteriori error analysis for an ultra-weak discontinuous Galerkin approximations of nonlinear second-order two-point boundary-value problems. (English) Zbl 1538.65196
A review of VMS a posteriori error estimation with emphasis in fluid mechanics. (English) Zbl 1536.76066
An order-theoretic perspective on modes and maximum a posteriori estimation in Bayesian inverse problems. (English) Zbl 07787062
Convergence and optimality of an adaptive modified weak Galerkin finite element method. (English) Zbl 1535.65288
Strong maximum a posteriori estimation in Banach spaces with Gaussian priors. (English) Zbl 07765710
A posteriori error estimates for the time-dependent Navier-Stokes system coupled with the convection-diffusion-reaction equation. (English) Zbl 07741461
Cost-optimal adaptive iterative linearized FEM for semilinear elliptic PDEs. (English) Zbl 1523.65090
Reviewer: Bülent Karasözen (Ankara)
A posteriori error estimates for the large eddy simulation applied to incompressible fluids. (English) Zbl 07739209
Parametric estimation of a stability factor for certified reduced basis methods via adaptive Gaussian process. (English) Zbl 1539.65175
Dual natural-norm a posteriori error estimators for reduced basis approximations to parametrized linear equations. (English) Zbl 07716181
An adaptive \(\mathrm{C}^0\) Interior penalty discontinuous Galerkin method and an equilibrated a posteriori error estimator for the von Kármán equations. (English) Zbl 07710405
Reduced order model predictive control for parametrized parabolic partial differential equations. (English) Zbl 07702354
On a certified VMS-Smagorinsky reduced basis model with LPS pressure stabilisation. (English) Zbl 07699014
Pointwise-in-time a posteriori error control for higher-order discretizations of time-fractional parabolic equations. (English) Zbl 1514.65116
An a posteriori error estimator for the spectral fractional power of the Laplacian. (English) Zbl 1539.65168
The a posteriori error estimator of SDG method for variable coefficients time-harmonic Maxwell’s equations. (English) Zbl 1515.65301
A space-time adaptive discontinuous Galerkin method for the numerical solution of the dynamic quasi-static von Kármán equations. (English) Zbl 1524.65546
Simplified subgrid multiscale stabilized finite element method in the transient framework for Stokes equations. (English) Zbl 1524.76210
Numerical analysis of a system of semilinear singularly perturbed first-order differential equations on an adaptive grid. (English) Zbl 1527.65062
A posteriori error estimates for the large eddy simulation applied to stationary Navier-Stokes equations. (English) Zbl 1533.65232
A posteriori error estimator for a multiscale hybrid mixed method for Darcy’s flows. (English) Zbl 1531.65232
Spike-and-slab group Lassos for grouped regression and sparse generalized additive models. (English) Zbl 1506.62278
A \(\mathrm{C}^0\) Interior Penalty Discontinuous Galerkin method and an equilibrated a posteriori error estimator for a nonlinear fourth order elliptic boundary value problem of \(p\)-biharmonic type. (English) Zbl 07609839
An adaptive stochastic Galerkin method based on multilevel expansions of random fields: convergence and optimality. (English) Zbl 1501.35147
Maximum a posteriori inference of random dot product graphs via conic programming. (English) Zbl 1521.62033
Error analysis for a vorticity/Bernoulli pressure formulation for the Oseen equations. (English) Zbl 1502.65184
Error analysis of a SUPG-stabilized POD-ROM method for convection-diffusion-reaction equations. (English) Zbl 1524.65553
Extrapolated polynomial lattice rule integration in computational uncertainty quantification. (English) Zbl 1494.65004
Robust a posteriori error analysis for rotation-based formulations of the elasticity/poroelasticity coupling. (English) Zbl 1492.65298
Convergence and rate optimality of adaptive multilevel stochastic Galerkin FEM. (English) Zbl 1502.65188
A priori and a posteriori error estimates for the quad-curl eigenvalue problem. (English) Zbl 1490.65256
A posteriori estimator for the adaptive solution of a quasi-static fracture phase-field model with irreversibility constraints. (English) Zbl 1490.65212
A study of defect-based error estimates for the Krylov approximation of \(\varphi\)-functions. (English) Zbl 1542.65050
Reviewer: Abdollahi Farshid (Shiraz)
Recovery-based a posteriori error estimation for elliptic interface problems based on partially penalized immersed finite element methods. (English) Zbl 1499.35730
A posteriori error estimation and adaptive strategy for a nonlinear fractional differential equation. (English) Zbl 1499.65281
A posteriori error estimations of the Petrov-Galerkin methods for fractional Helmholtz equations. (English) Zbl 07490867
A posteriori error estimates with boundary correction for a cut finite element method. (English) Zbl 07465500
MSC:
65-XX
Unstructured \(h\)- and hp-adaptive strategies for discontinuous Galerkin methods based on a posteriori error estimation for compressible flows. (English) Zbl 1521.76317
\(\Gamma\)-convergence of Onsager-Machlup functionals. II: Infinite product measures on Banach spaces. (English) Zbl 07455595
\(\Gamma\)-convergence of Onsager-Machlup functionals. I: With applications to maximum a posteriori estimation in Bayesian inverse problems. (English) Zbl 07455594
Weakly symmetric stress equilibration and a posteriori error estimation for linear elasticity. (English) Zbl 07776172
Robust a posteriori error estimation for mixed finite element approximation of linear poroelasticity. (English) Zbl 1511.65124
On the consistency of Bayes estimates for the infinite continuous mixture of Dirichlet distributions. (English) Zbl 1499.62110
Maximum likelihood and maximum a posteriori estimators for the Riesz probability distribution. (English) Zbl 07497084
Flux recovery for cut finite element method and its application in a posteriori error estimation. (English) Zbl 1533.65220
Accuracy estimation for a class of iteratively regularized Gauss-Newton methods with a posteriori stopping rule. (English. Russian original) Zbl 1480.65132
Comput. Math. Math. Phys. 61, No. 12, 1931-1942 (2021); translation from Zh. Vychisl. Mat. Mat. Fiz. 61, No. 12, 1974-1985 (2021).
An equilibrated a posteriori error estimator for an interior penalty discontinuous Galerkin approximation of the \(p\)-Laplace problem. (English) Zbl 1481.65227
Reviewer: Vit Dolejsi (Praha)
Novel adaptive hybrid discontinuous Galerkin algorithms for elliptic problems. (English) Zbl 1476.65307
Error estimation and adaptivity for differential equations with multiple scales in time. (English) Zbl 1476.65130
Predicting the popularity of tweets using internal and external knowledge: an empirical Bayes type approach. (English) Zbl 1480.62185
An adjoint-based a posteriori analysis of numerical approximation of Richards equation. (English) Zbl 1478.65085
On Bayesian posterior mean estimators in imaging sciences and Hamilton-Jacobi partial differential equations. (English) Zbl 1525.94008
Adaptive time-step control for a monolithic multirate scheme coupling the heat and wave equation. (English) Zbl 1478.65088
A posteriori error analysis for Schwarz overlapping domain decomposition methods. (English) Zbl 1492.65342
Goal-oriented error estimation and adaptivity in MsFEM computations. (English) Zbl 1477.35258
Comput. Mech. 67, No. 4, 1201-1228 (2021); correction ibid. 68, No. 1, 229-230 (2021).
Two-level a posteriori error estimation for adaptive multilevel stochastic Galerkin finite element method. (English) Zbl 1516.65125
An \(h\)-adaptive finite element solution of the relaxation non-equilibrium model for gravity-driven fingers. (English) Zbl 1488.65403
A posteriori error estimates for elliptic eigenvalue problems using auxiliary subspace techniques. (English) Zbl 1477.65213
Generalized Prager-Synge identity and robust equilibrated error estimators for discontinuous elements. (English) Zbl 1478.65116
Optimal state estimation of a generalized MAP event flow with an arbitrary number of states. (English. Russian original) Zbl 1466.93162
Autom. Remote Control 82, No. 5, 798-811 (2021); translation from Avtom. Telemekh. 2021, No. 5, 68-85 (2021).
MSC:
93E10
Localized model reduction for parameterized problems. (English) Zbl 1523.65091
Benner, Peter (ed.) et al., Model order reduction. Volume 2: Snapshot-based methods and algorithms. Berlin: De Gruyter. 245-305 (2021).
A posteriori error estimates by weakly symmetric stress reconstruction for the Biot problem. (English) Zbl 1524.65758
Towards adjoint-based mesh refinement for large eddy simulation using reduced-order primal solutions: preliminary 1D Burgers study. (English) Zbl 1506.76051
A posteriori error estimation and adaptivity based on VMS for the incompressible Navier-Stokes equations. (English) Zbl 1506.76082
A-posteriori error estimations of the GJF-Petrov-Galerkin methods for fractional differential equations. (English) Zbl 1524.65295
Improved ZZ a posteriori error estimators for diffusion problems: discontinuous elements. (English) Zbl 1460.65143
Reviewer: Bülent Karasözen (Ankara)
Low light image denoising solution with contrast enhancement in curvelet domain using Gaussian mixture adaptation model. (English) Zbl 1479.94048
Reviewer: Oscar Bustos (Córdoba)
MSC:
94A08
Balancing truncation and round-off errors in FEM: one-dimensional analysis. (English) Zbl 1461.65220
Robust a posteriori error estimation for parameter-dependent linear elasticity equations. (English) Zbl 1456.65162
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