def METHOD_NAME(db, signature, row_dim):
    """
        Gathers a list of tensors, one at each displaced geometry.
    db: (database) the database object for this property calculation
    signature: (string) The string that notifies the matrix reader that the
        targeted tensor data begins.
    row_dim: the expected number of rows that this value should be printed
        across in the file
    Returns a 2d list result[i][j]:
        i: indexes displacements
        j: indexes elements of the flattened tensor at some displacement
    Throws: none
    """
    result = []
    for job in db['job_status']:
        with open('{}/output.dat'.format(job)) as outfile:
            result.append(parse_geometry_matrix_data(outfile, signature, row_dim))
    return result
    # END collect_displaced_matrix_data()