Complete Periodic Synchronization of Memristor-Based Neural Networks with Time-Varying Delays

<table>The synchronization errors <svg height="16.275" id="M381" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 31.049999 16.275" width="31.049999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> and <svg height="16.275" id="M382" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 31.049999 16.275" width="31.049999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.017,-0,0,-.017,13.438,12.137)"><path d="M300 -147l-18 -23q-106 71 -159 185.5t-53 254.5v1q0 139 53 252.5t159 186.5l18 -24q-74 -62 -115.5 -173.5t-41.5 -242.5q0 -130 41.5 -242.5t115.5 -174.5z" id="x28"></path></g><g transform="matrix(.017,-0,0,-.017,19.319,12.137)"><path d="M324 430l-26 -36l-112 -4l-55 -265q-13 -66 7 -66q13 0 44.5 20t50.5 40l17 -24q-38 -40 -85.5 -73.5t-87.5 -33.5q-50 0 -21 138l55 262h-80l-2 8l25 34h66l25 99l78 63l10 -9l-37 -153h128z" id="x1D461"></path></g><g transform="matrix(.017,-0,0,-.017,25.116,12.137)"><path d="M275 270q0 -296 -211 -440l-19 23q75 62 116.5 174t41.5 243t-42 243t-116 173l19 24q211 -144 211 -440z" id="x29"></path></g>
</svg> under the adaptive controller (<a href="https://static.hindawi.com/articles/ddns/volume-2013/140153/figures/#EEq18">42</a>).</table>

Discrete Dynamics in Nature and Society

fig4

Figure 4

Figure 4: Complete Periodic Synchronization of Memristor-Based Neural Networks with Time-Varying Delays 