www.gusucode.com > mbcmodels 工具箱 matlab 源码程序 > mbcmodels/@xregexportmodel/nfactors.m

    function [n,s,u]=nfactors(M)
%NFACTORS number of input factors to model
%    n = NFACTORS(m)
%    [n,symbols,units] = NFACTORS(m); returns the number, symbols and
%    units of the input factors in the model.

%  Copyright 2000-2009 The MathWorks, Inc. and Ford Global Technologies, Inc.

n = length(M.symbols);
if nargout>1
    s = M.symbols;
    if isempty(M.units)
        u = [];
    else
        u = M.units(2:end);
        u = reshape(u,length(u),1);
    end
end