61 citations · 107 across the 15 of their papers we have counts for
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math.NA2020★ 1 cited
Arnoldi algorithms with structured orthogonalization
Pengwen Chen, Chung-Kuan Cheng, Xinyuan Wang
We study a stability preserved Arnoldi algorithm for matrix exponential in the time domain simulation of large-scale power delivery networks (PDN), which are formulated as semi-exp…
math.NA2017★ 15 cited
Coded Aperture Ptychography: Uniqueness and Reconstruction
Pengwen Chen, Albert Fannjiang
Uniqueness of solution is proved for any ptychographic scheme with a random masks under a minimum overlap condition and local geometric convergence analysis is given for the altern…
math.NA2015★ 8 cited
Fourier Phase Retrieval with a Single Mask by Douglas-Rachford Algorithm
Pengwen Chen, Albert Fannjiang
Douglas-Rachford (DR) algorithm is analyzed for Fourier phase retrieval with a single random phase mask. Local, geometric convergence to a unique fixed point is proved with numeric…