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. 2018 Jul 27;20(8):556. doi: 10.3390/e20080556

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Complexity analysis results of System (15). (a) MMPE with $y_{0}$ and b; (b) MMPE with $y_{0}$ and b; (c) MMPE with $y_{0}$ and b; (d) MMLZC with $z_{0}$ and b.