www.gusucode.com > mbcmodels 工具箱 matlab 源码程序 > mbcmodels/@localmod/covmodel.m

    function L= covmodel(L,newCov)
% LOCALMOD/COVMODEL extract and store covariance model for local model
%
% c= covmodel(L)        to get covmodel
% L= covmodel(L,newCov) to set covmodel

%  Copyright 2000-2007 The MathWorks, Inc. and Ford Global Technologies, Inc.



if nargin==1
    L= L.covmodel;
    if builtin('isempty',L)
        % make sure an xregcovariance object is returned
        L = xregcovariance;
    end
else
    if builtin('isempty',newCov)
        newCov = xregcovariance;
    end
   L.covmodel= newCov;
end