如何用matlab求GARCH模型的参数答:建立一个GARCH模型的基本程序如下 ToEstVarMdl1 = garch(1,1);ToEs***l11 = arima('ARLags',1,'MALags',1,'Variance',ToEstVarMdl1);ToEs***l21 = arima('ARLags',1:2,'MALags',1,'Variance',ToEstVarMdl1);logL1 = [0;0]; % Preallocate numParams1 = logL1; % Preallo...