get an empty/generic localizer matrix that can be filled

        Returns
        -------
            localizer : pyemu.Matrix
                matrix with nnz obs names for rows and adj par names for columns

def get_localizer(self):
        """ get an empty/generic localizer matrix that can be filled

        Returns
        -------
            localizer : pyemu.Matrix
                matrix with nnz obs names for rows and adj par names for columns

        """
        onames = self.pst.nnz_obs_names
        pnames = self.pst.adj_par_names
        localizer = Matrix(x=np.ones((len(onames),len(pnames))),row_names=onames,col_names=pnames)
        return localizer