%FINDIDENT Determine indices of objects having specified identifiers%%	   J = FINDIDENT(A,IDENT)%% If IDENT is a single object identifier then J is a vector with indices% to all objects with that identifier.%% If IDENT is a set of object identifiers, then J is a column vector of% cells, such that J{n} contains a vector with indices to all objects having% identifier IDENT{n}.