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matlab三维张量分解代码-SECSI:通过同步矩阵对角化(SECSI)进行近似CP分解的SEmi-代数框架的演示实现
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2021-05-28
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matlab三维张量分解代码SECSI 用于经由SI multaneous矩阵Diagonalizations(SECSI)[1]的近似中c p分解的SE MI-代数框架演示实施。 SECSI是用于N阶多维数组(张量)的半代数CP分解的框架。 与其他求解器相比, SECSI在困难的情况下(例如,相关因素)提供了更高的性能 SECSI通过选择适当的启发式算法来提供复杂度-准确性的权衡 SECSI可以灵活地适应给定的数据:它可以处理任意维度的实值和复值数据。 它可以自动检测某些特殊情况,在这些情况下,可以使用封闭形式的解决方案来提高速度和性能。 依存关系 SECSI的来源是独立的。 SECSI在MATLAB提供的常规多维数组上运行。 演示版 我们提供了一个演示,演示了SECSI的某些功能,包括: 精确生成随机生成的三向低秩张量 嘈杂情况下的近似恢复 各种启发式方法的性能/速度比较 如何设置自定义启发式 恢复四向张量 特殊情况等级2和2平板CPD SECSI-GU(即将发行) 请注意,对于N> 3阶张量的CP分解,我们建议使用SECSI-GU,在这种情况下,可以通过使用广义展开(GU)[2]
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