2 papers
math.NA2025
Enhanced randomized Douglas-Rachford method: Improved probabilities and adaptive momentum
Liqi Guo, Ruike Xiang, Deren Han +1
Randomized iterative methods have gained recent interest in machine learning and signal processing for solving large-scale linear systems. One such example is the randomized Dougla…
math.NA2025
Randomized block Kaczmarz with volume sampling: Momentum acceleration and efficient implementation
Ruike Xiang, Jiaxin Xie, Qiye Zhang
The randomized block Kaczmarz (RBK) method is a widely utilized iterative scheme for solving large-scale linear systems. However, the theoretical analysis and practical effectivene…