具有时变时延与状态依赖切换的分数阶 Cohen-Grossberg 神经网络的多稳定性
董红勋, 万里光, 吴爱龙

Multistability of Fractional-Order Cohen-Grossberg Neural Networks with Time-Varying Delays and State-Dependent Switching
Hongxun Dong, Liguang Wan, Ailong Wu
图4 例1中 $(x_{1}(t),x_{2}(t))$ 的相图, 时变时延为 $(0.5\sin(t)-1)$