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- Yunfeng Cai, Zhaojun Bai, John E. Pask, N. Sukumar
- J. Comput. Physics
- 2013

The iterative diagonalization of a sequence of large ill-conditioned generalized eigenvalue problems is a computational bottleneck in quantum mechanical methods employing nonorthogonal basisâ€¦ (More)

- Qian Hui Xiao Zeng, Penghui Li, +5 authors Huanwen Chen
- Journal of breath research
- 2016

Exhaled breath contains chemicals that have a diagnostic value in human pathologies. Here in vivo breath analysis of creatinine has been demonstrated by constructing a novel platform based onâ€¦ (More)

- Konstantin Chingin, Yunfeng Cai, Juchao Liang, Huanwen Chen
- Analytical chemistry
- 2016

Significant efforts are being made to develop more practical and versatile approaches for the preconcentration and purification of complex chemical samples. Inspired by the naturally occurringâ€¦ (More)

- Li Hao, Yunfeng Cai
- 2017

This paper considers solving the real eigenvalues of the Quadratic Eigenvalue Problem (QEP) Q(Î»)x â‰¡ (Î»M+Î»C+K)x = 0 in a given interval (a, b), where the coefficient matrices M , C, K are Hermitianâ€¦ (More)

- Yunfeng Cai, Decai Shi, Shufang Xu
- SIAM J. Matrix Analysis Applications
- 2015

- Konstantin Chingin, Yunfeng Cai, +4 authors Huanwen Chen
- Metabolomics
- 2016

The chemical sensitivity of urine metabolomics analysis is greatly compromised due to the large amounts of inorganic salts in urine (NaCl, KCl), which are detrimental to analytical instrumentation,â€¦ (More)

- Jifei Miao, Guanghui Cheng, Yunfeng Cai, Jing Xia
- IEEE Signal Processing Letters
- 2018

An approximate joint singular value decomposition algorithm is proposed for a set of <inline-formula> <tex-math notation="LaTeX">$K (K\geq 2)$</tex-math></inline-formula> complex matrices. It can beâ€¦ (More)

We first provide existence and uniqueness conditions for the solvability of an algebraic eigenvalue problem with eigenvector nonlinearity. We then present a local and global convergence analysis forâ€¦ (More)

- Yunfeng Cai, Chengyu Liu
- SIAM J. Matrix Analysis Applications
- 2017

The exact/approximate nonorthogonal general joint block diagonalization (nogjbd) problem of a given real matrix set A = {Ai}i=1 is to find a nonsingular matrix W âˆˆ RnÃ—n (diagonalizer) such that WAiWâ€¦ (More)

Motivated by the numerical study of spin-boson dynamics in quantum open systems, we present a convergence analysis of the closure approximation for a class of stochastic differential equations. Weâ€¦ (More)