www.gusucode.com > mbcexpr 工具箱 matlab 源码程序 > mbcexpr/@cgsymvalue/getvariable.m

    function pVar = getvariable(obj)
%GETVARIABLE Return pointer to symvalue's input variable
%
%  PVAR = GETVARIABLE(OBJ) returns the pointer to the formula's input that
%  is considered to be the "variable".

%  Copyright 2000-2004 The MathWorks, Inc. and Ford Global Technologies, Inc.


if ~isempty(obj.EquationPointers)
    pVar = obj.EquationPointers(obj.EquationVariableIndex);
else
    pVar = xregpointer;
end