Figure 1From: Passivity analysis and state estimation for a class of memristor-based neural networks with multiple proportional delays The circuit of memristive neural networks ( 2.1 ). \(x_{i}(t)\) is the state of the ith subsystem, \(\mathbf{R}_{ij}\) and \(\mathbf{F}_{ij}\) represent the memristors, \(f_{j}\) is the amplifier, \(\mathbf{R}_{i}\) and \(\mathbf{C}_{i}\) are the resistor and capacitor, \(I_{i}\) is the external input, and \(i,j=0,1,\ldots, n\).Back to article page