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Auxiliary model based completely multidirection conjugate gradient iterative identification algorithm
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DOI：10.1016/j.sigpro.2026.110817.png)
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Abstract
En 中文
• An auxiliary-model-based completely multidirection conjugate gradient identification framework. • An improved multidirection Gram-Schmidt process ensuring full conjugacy among directions. • Historical gradient information is integrated to enhance convergence continuity. • Improved convergence and accuracy for large-scale or ill-conditioned OE systems. • Achieves Lth-order acceleration with low-dimensional matrix inversion.
Keywords:
Multidirection conjugate gradient
OE system
Modified Gram-Schmidt process
Convergence rate,