The stability of the error system is analyzed by a Lyapunov function, which shows that the errors are exponential convergent.
利用李亚普诺夫函数分析了误差系统的稳定性，说明误差是指数收敛的。
2
Used nonlinear function in learning, the algorithms can adjust automatically convergent rate.
将非线性函数引入学习过程，由算法自动调节学习速率。
3
When the minimal eigenvalue of connection weights matrix is greater than the reciprocal of derivation of its neuron activation function, the network will be convergent in parallel update mode.