Suchergebnisse - Alternating randomized gradient projection algorithm

Zeroth-order single-loop algorithms for nonconvex-linear minimax problems von Shen, Jingjing, Wang, Ziqi, Xu, Zi

“… In this paper, we propose a new zeroth-order alternating randomized gradient projection algorithm to solve smooth nonconvex-linear problems and its iteration complexity to find an ε …”
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Derivative-free Alternating Projection Algorithms for General Nonconvex-Concave Minimax Problems von Xu, Zi, Wang, Ziqi, Shen, Jingjing, Dai, Yuhong

“… We propose a zeroth-order alternating randomized gradient projection (ZO-AGP) algorithm for smooth nonconvex-concave minimax problems, and its iteration complexity to obtain an \(\varepsilon …”
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A Joint Row and Column Action Method for Cone-Beam Computed Tomography von Yushan Gao, Blumensath, Thomas

“… algorithms and parallel computing schemes are increasingly …”
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Randomized Kaczmarz Method for Single Particle X-ray Image Phase Retrieval von Xian, Y, Liu, H, Tai, X, Wang, Y

“… We present a variance-reduced randomized Kaczmarz (VR-RK) algorithm for phase retrieval. The VR-RK algorithm is inspired by the randomized Kaczmarz method and the Stochastic Variance Reduce Gradient Descent (SVRG) algorithm …”
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