Sharp convergence rates of stochastic approximation for degenerate roots

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随机的近似算法的锋利的集中率为在寻求为根的未知回归功能的衍生物是零的盒子被给。获得的集中率为为慢慢地减少的步尺寸突然地与他们不的以前的工作相对照在算法使用的一般的步尺寸是锋利的;所有可能的限制点被作出对有利的裁决在回归功能的扩大的第一个矩阵系数是正常的盒子;并且上面的界限被显示出与一个维的结果仅仅被证明的以前的工作相对照为多维的盒子被完成的评价。
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