晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。   林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。   见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝)   既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。   南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。 sh-3ll

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from typing import Any

from numpy import ndarray, dtype, int_
from numpy.polynomial._polybase import ABCPolyBase
from numpy.polynomial.polyutils import trimcoef

__all__: list[str]

lagtrim = trimcoef

def poly2lag(pol): ...
def lag2poly(c): ...

lagdomain: ndarray[Any, dtype[int_]]
lagzero: ndarray[Any, dtype[int_]]
lagone: ndarray[Any, dtype[int_]]
lagx: ndarray[Any, dtype[int_]]

def lagline(off, scl): ...
def lagfromroots(roots): ...
def lagadd(c1, c2): ...
def lagsub(c1, c2): ...
def lagmulx(c): ...
def lagmul(c1, c2): ...
def lagdiv(c1, c2): ...
def lagpow(c, pow, maxpower=...): ...
def lagder(c, m=..., scl=..., axis=...): ...
def lagint(c, m=..., k = ..., lbnd=..., scl=..., axis=...): ...
def lagval(x, c, tensor=...): ...
def lagval2d(x, y, c): ...
def laggrid2d(x, y, c): ...
def lagval3d(x, y, z, c): ...
def laggrid3d(x, y, z, c): ...
def lagvander(x, deg): ...
def lagvander2d(x, y, deg): ...
def lagvander3d(x, y, z, deg): ...
def lagfit(x, y, deg, rcond=..., full=..., w=...): ...
def lagcompanion(c): ...
def lagroots(c): ...
def laggauss(deg): ...
def lagweight(x): ...

class Laguerre(ABCPolyBase):
    domain: Any
    window: Any
    basis_name: Any