Search Results - least square iterative linear inversion algorithm

A Concrete Core Void Imaging Approach and Parameter Analysis of Concrete-Filled Steel Tube Members Using Travel Time Tomography: Multi-Physics Simulations and Experimental Studies

Authors: Wenting Zheng Bin Xu Zongjun Xia et al.

Source: Sensors, Vol 24, Iss 8, p 2503 (2024)

Subject Terms: concrete-filled steel tube, curved ray theory-based travel time tomography, least square iterative linear inversion algorithm, piezoelectric lead zirconate titanate, defect imaging, parameter analysis, Chemical technology, TP1-1185

Relation: https://www.mdpi.com/1424-8220/24/8/2503; https://doaj.org/toc/1424-8220; https://doaj.org/article/87235513807b4b0abd4a4982b977d32f

Availability: https://doi.org/10.3390/s24082503
https://doaj.org/article/87235513807b4b0abd4a4982b977d32f

An Iterative Least-Square Algorithm Suitable for Computing Partial Eigensystems

Authors: Erdelyi, Ivan

Source: Journal of the Society for Industrial and Applied Mathematics: Series B, Numerical Analysis, 1965 Jan 01. 2(3), 421-436.

Access URL: https://www.jstor.org/stable/2949796

Unified frameworks for high order Newton-Schulz and Richardson iterations: a computationally efficient toolkit for convergence rate improvement

Authors: Stotsky, Alexander

Source: Journal of Applied Mathematics and Computing. 60(1-2):605-623

Subject Terms: Richardson iteration · Neumann series · High order Newton-Schulz algorithm · Least squares estimation · Harmonic regressor · Strictly Diagonally Dominant Matrix · Symmetric positive definite matrix · Ill-conditioned matrix · Polynomial preconditioning · Matrix power series factorization · Computationally efficient matrix inversion algorithm · Simultaneous calculations

File Description: electronic

Access URL: https://research.chalmers.se/publication/516462
https://research.chalmers.se/publication/520750
https://link.springer.com/article/10.1007/s12190-018-01229-8

Recent Advances in Sire Evaluation Methods: A Review.

Authors: Talokar, Amol Jagannath Kumar, Harshit Mehrotra, Arnav et al.

Source: Indian Journal of Animal Research. Apr2023, Vol. 57 Issue 4, p395-401. 7p.

Subjects: Evaluation methodology, Least squares, Data structures

Seismic Event Location Using Levenberg-Marquardt Least Squares Inversion

Contributors: BALLARD, SANFORD

Source: Other Information: PBD: 1 Oct 2002

File Description: Medium: ED; Size: 25 pages

Access URL: http://www.osti.gov/scitech/servlets/purl/803290

A Priori Constrained ACO Method Applied to Three-Dimensional Imaging of Subsurface Electrical Resistivity.

Authors: Guo, Qian Wang, Hai Bai, Jian et al.

Source: Geotechnical & Geological Engineering; Jan2023, Vol. 41 Issue 1, p15-25, 11p

Subject Terms: ANT algorithms, ELECTRICAL resistivity, THREE-dimensional imaging, SMOOTHNESS of functions, INVERSE problems

A Concrete Core Void Imaging Approach and Parameter Analysis of Concrete-Filled Steel Tube Members Using Travel Time Tomography: Multi-Physics Simulations and Experimental Studies.

Authors: Zheng, Wenting Xu, Bin Xia, Zongjun et al.

Source: Sensors (14248220); Apr2024, Vol. 24 Issue 8, p2503, 20p

Subject Terms: CONCRETE-filled tubes, STEEL analysis, CONCRETE, TOMOGRAPHY, STEEL tubes, LEAD zirconate titanate

Weighted Least-Square Design of FIR Filters Using a Fast Iterative Matrix Inversion Algorithm.

Authors: Zhu, W.P. Ahmad, M.O.

Source: IEEE Transactions on Circuits & Systems Part I: Fundamental Theory & Applications; Nov2002, Vol. 49 Issue 11, p1620, 9p

Subject Terms: DIGITAL electric filters, DIGITAL electronics, MATRIX inversion

Linear inversion-imaging method based on joint primary reflected waves and surface-related multiples.

Authors: Ouyang, Min Sheng, Shen Liu, Shou-Wei et al.

Source: Applied Geophysics: Bulletin of Chinese Geophysical Society; Sep2022, Vol. 19 Issue 3, p366-377, 12p

Subject Terms: P-waves (Seismology), INVERSION (Geophysics), SEISMIC prospecting, BORN approximation, IMAGING systems in seismology, LEAST squares

大地电磁一维正则化反演算法研究. (Chinese)

Alternate Title: Research on regularized inversion algorithms of one-dimensional magnetotelluric data. (English)

Authors: 周君君 胡祥云 肖调杰 et al.

Source: Coal Science & Technology (0253-2336); Aug2021, Vol. 49 Issue 8, p174-180, 7p

Subject Terms: PROBLEM solving, CONSTRAINT algorithms, ALGORITHMS, TIKHONOV regularization, LEAST squares, MATHEMATICAL regularization

Geographic Terms: JILIN Sheng (China)

Pulsed Eddy Current Testing Method for Corrosion Thinning Defects of Ferromagnetic Components Based on Parameter Inversion Algorithm.

Authors: Yao, Wensheng Ye, Yufeng Wang, Fenghuai et al.

Source: Research in Nondestructive Evaluation; Sep-Dec2023, Vol. 34 Issue 5/6, p186-204, 19p

Subject Terms: EDDY current testing, NONDESTRUCTIVE testing, TEST methods, IRON & steel plates, ALGORITHMS

Methods and systems of detecting a microseismic event using an iterative non-linear inversion algorithm

Simplex basis function based sparse least squares support vector regression.

Authors: Hong, Xia Mitchell, Richard Di Fatta, Giuseppe

Source: Neurocomputing. Feb2019, Vol. 330, p394-402. 9p.

Subject Terms: *SIMPLEX algorithm, *LEAST squares, *REGRESSION analysis, *KERNEL functions, *MEAN square algorithms

Optimization methods for tensor decomposition: A comparison of new algorithms for fitting the CP(CANDECOMP/PARAFAC) model.

Authors: Yu, Huiwen Larsen, Kasper Green Christiansen, Ove

Source: Chemometrics & Intelligent Laboratory Systems. Feb2025, Vol. 257, pN.PAG-N.PAG. 1p.

Subject Terms: *DECOMPOSITION method, *LEAST squares, *FLUORESCENCE spectroscopy, *NONLINEAR equations, *COMPUTATIONAL chemistry

Iterative image-domain decomposition for dual-energy CT

Contributors: Zhu, Lei [Nuclear and Radiological Engineering and Medical Physics Programs, The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332 (United States)]

Source: Medical Physics; 41; 4; Other Information: (c) 2014 American Association of Physicists in Medicine; Country of input: International Atomic Energy Agency (IAEA)

File Description: Medium: X; Size: page(s) 041901-041901.10

Access URL: http://www.osti.gov/scitech/biblio/22250933

Three‐dimensional inversion of controlled‐source electromagnetic data using general measures to evaluate data misfits and model structures.

Authors: Chung, Yonghyun Seol, Soon Jee Byun, Joongmoo

Source: Geophysical Prospecting. Oct2024, Vol. 72 Issue 8, p3067-3089. 23p.

Subject Terms: *MATRIX inversion, *DATA modeling, *ELECTROMAGNETISM, *NOISE, *ALGORITHMS

Self‐Potential Tomography Preconditioned by Particle Swarm Optimization—Application to Monitoring Hyporheic Exchange in a Bedrock River.

Authors: Ikard, Scott J. Carroll, Kenneth C. Brooks, Scott C. et al.

Source: Water Resources Research; Oct2024, Vol. 60 Issue 10, p1-25, 25p

Subject Terms: FLOODPLAINS, PARTICLE swarm optimization, BEDROCK, ELECTRIC transients, GEOPHYSICS

Rayleigh Wave Dispersion Curve Inversion with the Artificial Bee Colony Algorithm.

Authors: Xin Wang Hongyan Shen Xinxin Li et al.

Source: Journal of Environmental & Engineering Geophysics. Jun2021, Vol. 26 Issue 2, p99-110. 12p.

Subject Terms: *BEES algorithm, *RAYLEIGH waves, *SEISMIC waves, *SURFACE waves (Seismic waves), *GLOBAL optimization, *DISPERSION (Chemistry), *SHEAR waves

Least-squares reverse time migration based on the viscoacoustic VTI pure qP-wave equation

Authors: Shanshan Zhang Bingluo Gu Zhenchun Li

Source: Frontiers in Earth Science, Vol 10 (2022)

Subject Terms: VTI media, attenuation and compensation, nearly constant Q model, pure qP-wave, LSRTM, Science

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/feart.2022.998986/full; https://doaj.org/toc/2296-6463

Access URL: https://doaj.org/article/e4acdcc3e03b4165a164a740d500de04

Prestack amplitude versus angle inversion for Young's modulus and Poisson's ratio based on the exact Zoeppritz equations.

Authors: Zhou, Lin Li, Jingye Chen, Xiaohong et al.

Source: Geophysical Prospecting. Nov2017, Vol. 65 Issue 6, p1462-1476. 15p.

Subject Terms: *SHALE gas reservoirs, *DENSITY, *SHALE gas, *PETROLOGY, *POISSON'S ratio