题 目：解相关线性方程组的加速随机Kaczmarz算法
时 间：9月25日（星期三）15:00
主讲人：董巧丽
地 点：腾讯会议（会议号457874553）
主办单位：数学与统计学院
主讲人简介：
董巧丽，中国民航大学教授，中国数学会计算数学分会理事，主要从事非线性分析、最优化理论及算法研究工作。
讲座简介：
By regarding the two-subspace Kaczmarz method as an alternated inertial randomized Kaczmarz algorithm, we present a better convergence rate estimate under a mild condition. Furthermore, we accelerate the alternated inertial randomized Kaczmarz algorithm and introduce a multi-step inertial randomized Kaczmarz algorithm which is proven to have a faster convergence rate. Numerical experiments support the theory results and illustrate that the multi-inertial randomized Kaczmarz algorithm significantly outperforms the two-subspace Kaczmarz method in solving coherent linear systems.