Get values.
g=get(obj)
g=get(obj,'prop1','prop2',...)
g=get(obj,'id')
GET returns the properties of the IMAT_FEM in OBJ as a structure G.
Passing in the object by itself will return all of the properties. Alternately, passing in a list of property names as strings will return just those properties.
A better way to access the property names of OBJ is to use the PROPERTIES method, e.g. properties(obj).