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新方法实现单纯形乘积空间上的平滑优化

本文介绍了一种在单纯形乘积空间上优化函数的新方法,该方法适用于学习概率分布和函数数据配准等任务。该方法通过将乘积单纯形重新参数化为一个光滑流形,从而将无约束优化问题转化为一个可解的问题。这种重新参数化将流形上的二阶 KKT 点映射到原始单纯形上的弱二阶 KKT 点,从而实现了一种优于投影梯度下降的黎曼梯度下降算法,并能更准确地表示函数形状。 AI

影响 引入了一种适用于概率张量分解和函数数据配准等机器学习任务的新优化技术。

排序理由 该条目是一篇提交到 arXiv 的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新方法实现单纯形乘积空间上的平滑优化

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该条目是一篇提交到 arXiv 的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Shashwat Kumar, Arafat Rahman, Anuj Srivastava, P. -A. Absil ·

    光滑的单形乘积空间上的函数重参数化:在概率张量分解和函数数据配准中的应用

    arXiv:2608.02576v1 Announce Type: new Abstract: We consider optimization problems defined on product spaces of simplices. Examples of this class of problems include learning low-rank discrete multivariate probability distributions via simplex constrained tensor decomposition and …