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Elastic full waveform inversion on unstructured meshes by the finite element method 期刊论文
PHYSICA SCRIPTA, 2019, 卷号: 94, 期号: 11, 页码: 16
Authors:  Zhang, Wensheng
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unstructured triangular meshes  elastic wave  full waveform inversion  finite element method  iterative Tikhonov regularization  irregular topography  conjugate gradient method  
Proof of the Wilf-Zeilberger conjecture for mixed hypergeometric terms 期刊论文
JOURNAL OF SYMBOLIC COMPUTATION, 2019, 卷号: 93, 页码: 133-147
Authors:  Chen, Shaoshi;  Koutschan, Christoph
Favorite  |  View/Download:16/0  |  Submit date:2019/03/11
Wilf-Zeilberger conjecture  Hypergeometric term  Properness  Holonomic function  D-finite function  Ore-Sato theorem  
Analysis on inexact block diagonal preconditioners for elliptic PDE-constrained optimization problems 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 74, 期号: 10, 页码: 2423-2437
Authors:  Huang, Na;  Ma, Chang-Feng
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PDE-constrained optimization  Saddle point matrices  Preconditioner  Cholesky decomposition  Spectral bound  
Variational Analysis of the Ky Fan k-norm 期刊论文
SET-VALUED AND VARIATIONAL ANALYSIS, 2017, 卷号: 25, 期号: 2, 页码: 265-296
Authors:  Ding, Chao
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Ky Fan k-norm  Nondegeneracy  Critical cone  Second order tangent sets  
A Nonlocal TV-Based Variational Method for PolSAR Data Speckle Reduction 期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2016, 卷号: 25, 期号: 6, 页码: 2620-2634
Authors:  Nie, Xiangli;  Qiao, Hong;  Zhang, Bo;  Huang, Xiayuan
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Polarimetric synthetic aperture radar (PolSAR)  speckle reduction  nonlocal total variation (NLTV)  complex Wishart distribution  conjugate function  variational model  
Convergence of conjugate gradient methods with constant stepsizes 期刊论文
OPTIMIZATION METHODS & SOFTWARE, 2011, 卷号: 26, 期号: 6, 页码: 895-909
Authors:  Dai, Yu-Hong
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unconstrained optimization  nonconvex  conjugate gradient method  method of shortest residuals  descent property  global convergence  
Preconditioned Iterative Methods for Algebraic Systems from Multiplicative Half-Quadratic Regularization Image Restorations 期刊论文
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, 2010, 卷号: 3, 期号: 4, 页码: 461-474
Authors:  Bai, Zhong-Zhi;  Huang, Yu-Mei;  Ng, Michael K.;  Yang, Xi
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Edge-preserving  image restoration  multiplicative half-quadratic regularization  Newton method  preconditioned conjugate gradient method  constraint preconditioner  eigenvalue bounds  
BLOCK-TRIANGULAR PRECONDITIONERS FOR SYSTEMS ARISING FROM EDGE-PRESERVING IMAGE RESTORATION 期刊论文
Journal of Computational Mathematics, 2010, 卷号: 28, 期号: 6, 页码: 848
Authors:  Bai Zhongzhi;  Huang Yumei;  Michael K Ng
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A Stochastic Approximation Frame Algorithm with Adaptive Directions 期刊论文
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, 2008, 卷号: 1, 期号: 4, 页码: 460-474
Authors:  Xu, Zi;  Dai, Yu-Hong
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Stochastic approximation  conjugate gradient  adaptive directions  
Geometric dual formulation for first-derivative-based univariate cubic L-1 splines 期刊论文
JOURNAL OF GLOBAL OPTIMIZATION, 2008, 卷号: 40, 期号: 4, 页码: 589-621
Authors:  Zhao, Y. B.;  Fang, S. -C.;  Lavery, J. E.
Favorite  |  View/Download:5/0  |  Submit date:2018/07/30
conjugate function  convex program  cubic L-1 spline  shape-preserving interpolation  piecewise polynomial