This new method reduces the computational complexity by using the block tridiagonal structure of the input sample correlation matrix, and at the same time keeps the property of fast convergence.
在保持了该算法快速收敛优点的同时,利用相关矩阵块三对角的特殊结构,降低了该算法的计算复杂度。
参考来源 - 利用相关矩阵特殊结构的临界采样子带自适应滤波·2,447,543篇论文数据，部分数据来源于NoteExpress
讨论了一类块三对角矩阵的求逆问题。
The inverse of a class of block tridiagonal matrices is investigated.
该算法比已有的块三对角矩阵求逆算法的计算复杂度和计算时间低。
The computing complexity and computing time of this algorithm is lower than that of existed algorithms.
由块三对角矩阵的LU分解，得到了其逆矩阵块元素的显式表达式。
With the LU decomposition of the block tridiagonal matrix, an explicit expression of the block inverse elements is obtained.
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