# Second‐order optimization methods for time‐delay Autoregressive eXogenous models: Nature gradient descent method and its two modified methods

> Research article (International Journal of Adaptive Control and Signal Processing, 2022) · cited 46× · AI/ML

**Wikidata**: [openalex:W4307404639](https://www.wikidata.org/wiki/openalex:W4307404639)  
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