Results 101 to 110 of about 11,051,325 (215)

Smoothing Approximations for Least Squares Minimization with L1-Norm Regularization Functional

open access: yesInternational Journal of Analysis and Applications, 2021
The paper considers the problem of least squares minimization with L1-norm regularization functional. It investigates various smoothing approximations for the L1-norm functional. It considers Quadratic, Sigmoid and Cubic Hermite functionals.
Henrietta Nkansah   +2 more
doaj  

Seismic Exploration for Magmatic Brine Lenses: An Example From Soufrière Hills Volcano, Montserrat

open access: yesGeophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract The majority of metallic ore deposits are related to processes associated with ancient or modern volcanic systems. Beyond geothermal energy production, volcanoes also represent a potential resource of critical metals, including those required for carbon‐neutral technologies. Geothermal metals occur in subsurface fluid reservoirs fed by surface
Petros Bogiatzis   +4 more
wiley   +1 more source

A PROPOSAL FOR REGULARIZED INVERSION FOR AN ILL-CONDITIONED DECONVOLUTION OPERATOR

open access: yesCT&F Ciencia, Tecnología & Futuro, 2013
From the inverse problem theory aspect, deconvolution can be understood as the linear inversion of an ill-posed and ill-conditioned problem. The ill-conditioned property of the deconvolution operator make the solution of inverse problem sensitive to ...
Herling Gonzalez   +2 more
doaj  

The Application of Piecewise Regularization Reconstruction to the Calibration of Strain Beams

open access: yesSensors
Standard beams are mainly used for the calibration of strain sensors using their load reconstruction models. However, as an ill-posed inverse problem, the solution to these models often fails to converge, especially when dealing with dynamic loads of ...
Jingjing Liu   +7 more
doaj   +1 more source

Generalized Tikhonov regularization method for an inverse boundary value problem of the fractional elliptic equation

open access: yesBoundary Value Problems
This research studies the inverse boundary value problem for fractional elliptic equation of Tricomi–Gellerstedt–Keldysh type and obtains a condition stability result.
Xiao Zhang
doaj   +1 more source

A Modified Landweber Algorithm for Inversion of Particle Size Distribution Combined With Tikhonov Regularization Theory

open access: yesIEEE Access, 2018
Particle size distribution (PSD) measurement based on the static light scattering method has been widely used in the environmental field and combustion diagnostics, such as PM2.5 measurement and combustion process monitoring.
Ming Kong   +3 more
doaj   +1 more source

Reconstruction of a source term in a parabolic integro-differential equation from final data

open access: yesMathematical Modelling and Analysis, 2011
The identification of a source term in a parabolic integro-differential equation is considered. We study the existence of the quasi-solution to this problem, Tikhonov regularization and a related gradient method.
Kairi Kasemets, Jaan Janno
doaj   +1 more source

Tikhonov regularized exterior penalty methods for hierarchical variational inequalities

open access: yes2025 IEEE 64th Conference on Decision and Control (CDC)
We consider nested variational inequalities con- sisting in a (upper-level) variational inequality whose feasible set is given by the solution set of another (lower-level) variational inequality. This class of hierarchical equilibrium contains a wealth of important applications, including purely hierarchical convex bilevel optimization problems and ...
Meggie Marschner, Mathias Staudigl
openaire   +2 more sources

On a Stochastic Regularization Technique for Ill-Conditioned Linear Systems

open access: yesOpen Engineering, 2019
Knowledge about the input–output relations of a system can be very important in many practical situations in engineering. Linear systems theory comes from applied mathematics as an efficient and simple modeling technique for input–output systems ...
Moura Henrique Gomes   +3 more
doaj   +1 more source

Improved Tikhonov regularization method for load identification and structural response reconstruction

open access: yesJixie qiangdu
To improve the accuracy and efficiency of load identification and structural response reconstruction, an improved Tikhonov regularization method that simultaneously considers transfer matrix error and measurement error was proposed.
GAO Kele, YIN Hong, PENG Zhenrui
doaj  

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