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STOCHASTIC TRUST-REGION METHODS WITH TRUST-REGION RADIUS DEPENDING ON PROBABILISTIC MODELS 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2021, 页码: 41
作者:  Wang, Xiaoyu;  Yuan, Ya-xiang
收藏  |  浏览/下载:115/0  |  提交时间:2022/04/02
Trust-region methods  Stochastic optimization  Probabilistic models  Trust region radius  Global convergence  
A NEW ADAPTIVE SUBSPACE MINIMIZATION THREE-TERM CONJUGATE GRADIENT ALGORITHM FOR UNCONSTRAINED OPTIMIZATION 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2021, 卷号: 39, 期号: 2, 页码: 159-177
作者:  Zhang, Keke;  Liu, Hongwei;  Liu, Zexian
收藏  |  浏览/下载:140/0  |  提交时间:2021/01/14
Conjugate gradient method  Nonmonotone line search  Subspace minimization  Sufficient descent condition  Global convergence  
CONVERGENCE RATE OF GRADIENT DESCENT METHOD FOR MULTI-OBJECTIVE OPTIMIZATION 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2019, 卷号: 37, 期号: 5, 页码: 689-703
作者:  Zeng, Liaoyuan;  Dai, Yuhong;  Huang, Yakui
收藏  |  浏览/下载:125/0  |  提交时间:2020/05/24
Multi-objective optimization  Gradient descent  Convergence rate  
STABILIZED BARZILAI-BORWEIN METHOD 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2019, 卷号: 37, 期号: 6, 页码: 916-936
作者:  Burdakov, Oleg;  Dai, Yuhong;  Huang, Na
收藏  |  浏览/下载:147/0  |  提交时间:2020/05/24
Unconstrained optimization  Spectral algorithms  Stabilization  Convergence analysis  
A GENERAL TWO-LEVEL SUBSPACE METHOD FOR NONLINEAR OPTIMIZATION 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2018, 卷号: 36, 期号: 6, 页码: 881-902
作者:  Chen, Chong;  Wen, Zaiwen;  Yuan, Yaxiang
收藏  |  浏览/下载:142/0  |  提交时间:2019/03/05
Nonlinear optimization  Convex and nonconvex problems  Subspace technique  Multigrid/multilevel method  Large-scale problems  
LOCAL MULTILEVEL METHODS FOR SECOND-ORDER ELLIPTIC PROBLEMS WITH HIGHLY DISCONTINUOUS COEFFICIENTS 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2012, 卷号: 30, 期号: 3, 页码: 223-248
作者:  Chen Huangxin;  Xu Xuejun;  Zheng Weiying
收藏  |  浏览/下载:121/0  |  提交时间:2021/01/14
BOUNDARY-VALUE-PROBLEMS  WEIGHTED L2 PROJECTION  FINITE-ELEMENT METHODS  MULTIGRID V-CYCLE  DOMAIN DECOMPOSITION  3 DIMENSIONS  ITERATIVE METHODS  ERROR ESTIMATORS  SCHWARZ METHODS  REFINED MESHES  Local multilevel method  Adaptive finite element method  Preconditioned conjugate gradient method  Discontinuous coefficients  
INVERSION OF ELECTRON TOMOGRAPHY IMAGES USING L-2-GRADIENT FLOWS - COMPUTATIONAL METHODS 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2011, 卷号: 29, 期号: 5, 页码: 501-525
作者:  Xu, Guoliang;  Li, Ming;  Gopinath, Ajay;  Bajaj, Chandrajit L.
收藏  |  浏览/下载:106/0  |  提交时间:2018/07/30
Computational Inversion  Reconstruction  Electric Tomography  
On the separable nonlinear least squares problems 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2008, 卷号: 26, 期号: 3, 页码: 390-403
作者:  Liu, Xin;  Yuan, Yaxiang
收藏  |  浏览/下载:110/0  |  提交时间:2018/07/30
separable nonlinear least squares problem  variable projection method  Gauss-Newton method  Levenberg-Marquardt method  trust region method  asymptotical convergence rate  data fitting  
The restrictively preconditioned conjugate gradient methods on normal residual for block two-by-two linear systems 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2008, 卷号: 26, 期号: 2, 页码: 240-249
作者:  Yin, Junfeng;  Bai, Zhongzhi
收藏  |  浏览/下载:105/0  |  提交时间:2018/07/30
block two-by-two linear system  saddle point problem  restrictively preconditioned conjugate gradient method  normal-residual equation  incomplete orthogonal factorization  
A new stepsize for the steepest descent method 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2006, 卷号: 24, 期号: 2, 页码: 149-156
作者:  Yuan, YX
收藏  |  浏览/下载:87/0  |  提交时间:2018/07/30
steepest descent  line search  unconstrained optimization  convergence