bayesopt.py 文件源码

def unique_rows(a):
    """
    ????????????rows
    ????sklearn GP ?????????
    ???
    a: ????????array
    ??:
    mask of unique rows
    """
    order = np.lexsort(a.T)
    reorder = np.argsort(order)

    a = a[order]
    diff = np.diff(a, axis=0)
    ui = np.ones(len(a), 'bool')
    ui[1:] = (diff != 0).any(axis=1)

    return ui[reorder]