28 citations · 222 across the 42 of their papers we have counts for
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math.NA2018★ 11 cited
The Low Rank Approximations and Ritz Values in LSQR For Linear Discrete Ill-Posed Problems
Zhongxiao Jia
LSQR and its mathematically equivalent CGLS have been popularly used over the decades for large-scale linear discrete ill-posed problems, where the iteration number plays the r…
math.NA2018★ 16 cited
A Joint Bidiagonalization Based Algorithm for Large Scale Linear Discrete Ill-posed Problems in General-Form Regularization
Zhongxiao Jia, Yanfei Yang
Based on the joint bidiagonalization process of a large matrix pair , we propose and develop an iterative regularization algorithm for the large scale linear discrete ill-…
math.NA2018★ 15 cited
Approximation Accuracy of the Krylov Subspaces for Linear Discrete Ill-Posed Problems
Zhongxiao Jia
For the large-scale linear discrete ill-posed problem or with contaminated by Gaussian white noise, the Lanczos bidiagonalization based Krylov solver LSQR…