Figure 2From: Anti-periodicity on high-order inertial Hopfield neural networks involving mixed delaysNumerical solutions \(x'(t)\) to system (4.1) with initial value \((\varphi _{1}(s),\varphi _{2}(s), \psi _{1}(s),\psi _{2}(s))\equiv ( 2\sin t+1, -2\cos t-3, 2, 0), (2\cos t+2, 3\sin t-1, 0, 3), (-3 \sin t-2, -4\sin t+3, -3, -4)\)Back to article page