Demonstrates linear convergence of the NQZ algorithm for H-spectral radius in nonnegative tensors, suggesting implications for computational efficiency.
The R -linear convergence of the NQZ algorithm for computing the H -spectral radius of a class of weakly irreducible nonnegative tensors is established by utilizing the directed graphs of tensors. Meanwhile, an upper bound for the root convergence factor R is derived and a general condition ensuring the linear convergence of the NQZ algorithm is provided.
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Lv et al. (2026) studied this question.
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