阶跃响应曲线 num=[23.15 39.65]; den=[2.835 7.726 20.92]; [y,x,t]=step(num, den);plot(t,y) 时域分析零输入响应曲线 A=[1 -1 0.5;2 -2 0.3;1 -4 -0.1] ; B=[0 0 1]'; C=[0 0 1]; D=0; x0=[1 0 0]'; t=0:0.1:20; initial(A,B,C,D,x0,t); title('The Initial Condition Reponse')　

这个程序如何转化成训练BP神经网络连接权值的源代码,提供4组15输入4输出训练集和目标集,调整输出层加权系数.-How this program into training BP neural network connection weights of the source code, provides 4 inputs 4 outputs 15 training set and the target set, adjust the output layer weighting coeffici