Lyapunov function for the general BAM system -The signal-energy Lyapunov function for the general BAM system takes the form L=-S(X)MS(Y)"-S(X)I-U-S(Y)J- Inputs I=[i,…,Iv]andJ=[Ui,…,Jp]and constant vectors of thresholds U=[U,,Ux]V=[V,,V] the attainable bound of this function is. ≥∑∑m∑-l-∑，-h 44 Lyapunov function for the general BAM system The signal-energy Lyapunov function for the general BAM system takes the form Inputs and and constant vectors of thresholds the attainable bound of this function is. T T T L = −S(X)MS(Y) − S(X) [I −U] − S(Y) [J −V] [ , , ] N I I  I = 1 [ , , ] P J J  J = 1 [ , , ] U U1  UN = [ , , ] V V1  VN =  − − − − − j j j i i i i j L mi j [ I U ] [ J V ]