(ctx, v, m, derivative=0)
return +bessel_zero(ctx, 2, derivative, v, m)
r"""
    For a real order `\nu \ge 0` and a positive integer `m`, returns
    `y_{\nu,m}`, the `m`-th positive zero of the Bessel function of the
    second kind `Y_{\nu}(z)` (see :func:`~mpmath.bessely`). Alternatively,
    with *derivative=1*, gives the first positive zero `y'_{\nu,m}` of
    `Y'_{\nu}(z)`.

    The zeros are interlaced according to the inequalities

    .. math ::

        y_{\nu,k} < y'_{\nu,k} < y_{\nu,k+1}

        y_{\nu,1} < y_{\nu+1,2} < y_{\nu,2} < y_{\nu+1,2} < y_{\nu,3} < \cdots

    **Examples**

    Initial zeros of the Bessel functions `Y_0(z), Y_1(z), Y_2(z)`::

        >>> from sympy.mpmath import *
        >>> mp.dps = 25; mp.pretty = True
        >>> besselyzero(0,1); besselyzero(0,2); besselyzero(0,3)
        0.8935769662791675215848871
        3.957678419314857868375677
        7.086051060301772697623625
        >>> besselyzero(1,1); besselyzero(1,2); besselyzero(1,3)
        2.197141326031017035149034
        5.429681040794135132772005
        8.596005868331168926429606
        >>> besselyzero(2,1); besselyzero(2,2); besselyzero(2,3)
        3.384241767149593472701426
        6.793807513268267538291167
        10.02347797936003797850539

    Initial zeros of `Y'_0(z), Y'_1(z), Y'_2(z)`::

        >>> besselyzero(0,1,1); besselyzero(0,2,1); besselyzero(0,3,1)
        2.197141326031017035149034
        5.429681040794135132772005
        8.596005868331168926429606
        >>> besselyzero(1,1,1); besselyzero(1,2,1); besselyzero(1,3,1)
        3.683022856585177699898967
        6.941499953654175655751944
        10.12340465543661307978775
        >>> besselyzero(2,1,1); besselyzero(2,2,1); besselyzero(2,3,1)
        5.002582931446063945200176
        8.350724701413079526349714
        11.57419546521764654624265

    Zeros with large index::

        >>> besselyzero(0,100); besselyzero(0,1000); besselyzero(0,10000)
        311.8034717601871549333419
        3139.236498918198006794026
        31413.57034538691205229188
        >>> besselyzero(5,100); besselyzero(5,1000); besselyzero(5,10000)
        319.6183338562782156235062
        3147.086508524556404473186
        31421.42392920214673402828
        >>> besselyzero(0,100,1); besselyzero(0,1000,1); besselyzero(0,10000,1)
        313.3726705426359345050449
        3140.807136030340213610065
        31415.14112579761578220175

    Zeros of functions with large order::

        >>> besselyzero(50,1)
        53.50285882040036394680237
        >>> besselyzero(50,2)
        60.11244442774058114686022
        >>> besselyzero(50,100)
        387.1096509824943957706835
        >>> besselyzero(50,1,1)
        56.96290427516751320063605
        >>> besselyzero(50,2,1)
        62.74888166945933944036623
        >>> besselyzero(50,100,1)
        388.6923300548309258355475

    Zeros of functions with fractional order::

        >>> besselyzero(0.5,1); besselyzero(1.5,1); besselyzero(2.25,4)
        1.570796326794896619231322
        2.798386045783887136720249
        13.56721208770735123376018
r"""
    For a real order `\nu \ge 0` and a positive integer `m`, returns
    `y_{\nu,m}`, the `m`-th positive zero of the Bessel function of the
    second kind `Y_{\nu}(z)` (see :func:`~mpmath.bessely`). Alternatively,
    with *derivative=1*, gives the first positive zero `y'_{\nu,m}` of
    `Y'_{\nu}(z)`.
r For a real order \ nu \ ge 0 and a positive integer m returns y_ { \ nu m } the m - th positive zero of the Bessel function of the second kind Y_ { \ nu } ( z ) ( see : func : ~mpmath . bessely ) . Alternatively with * derivative = 1 * gives the first positive zero y _ { \ nu m } of Y _ { \ nu } ( z ) .
def besselyzero(ctx, v, m, derivative=0):
    r"""
    For a real order `\nu \ge 0` and a positive integer `m`, returns
    `y_{\nu,m}`, the `m`-th positive zero of the Bessel function of the
    second kind `Y_{\nu}(z)` (see :func:`~mpmath.bessely`). Alternatively,
    with *derivative=1*, gives the first positive zero `y'_{\nu,m}` of
    `Y'_{\nu}(z)`.

    The zeros are interlaced according to the inequalities

    .. math ::

        y_{\nu,k} < y'_{\nu,k} < y_{\nu,k+1}

        y_{\nu,1} < y_{\nu+1,2} < y_{\nu,2} < y_{\nu+1,2} < y_{\nu,3} < \cdots

    **Examples**

    Initial zeros of the Bessel functions `Y_0(z), Y_1(z), Y_2(z)`::

        >>> from sympy.mpmath import *
        >>> mp.dps = 25; mp.pretty = True
        >>> besselyzero(0,1); besselyzero(0,2); besselyzero(0,3)
        0.8935769662791675215848871
        3.957678419314857868375677
        7.086051060301772697623625
        >>> besselyzero(1,1); besselyzero(1,2); besselyzero(1,3)
        2.197141326031017035149034
        5.429681040794135132772005
        8.596005868331168926429606
        >>> besselyzero(2,1); besselyzero(2,2); besselyzero(2,3)
        3.384241767149593472701426
        6.793807513268267538291167
        10.02347797936003797850539

    Initial zeros of `Y'_0(z), Y'_1(z), Y'_2(z)`::

        >>> besselyzero(0,1,1); besselyzero(0,2,1); besselyzero(0,3,1)
        2.197141326031017035149034
        5.429681040794135132772005
        8.596005868331168926429606
        >>> besselyzero(1,1,1); besselyzero(1,2,1); besselyzero(1,3,1)
        3.683022856585177699898967
        6.941499953654175655751944
        10.12340465543661307978775
        >>> besselyzero(2,1,1); besselyzero(2,2,1); besselyzero(2,3,1)
        5.002582931446063945200176
        8.350724701413079526349714
        11.57419546521764654624265

    Zeros with large index::

        >>> besselyzero(0,100); besselyzero(0,1000); besselyzero(0,10000)
        311.8034717601871549333419
        3139.236498918198006794026
        31413.57034538691205229188
        >>> besselyzero(5,100); besselyzero(5,1000); besselyzero(5,10000)
        319.6183338562782156235062
        3147.086508524556404473186
        31421.42392920214673402828
        >>> besselyzero(0,100,1); besselyzero(0,1000,1); besselyzero(0,10000,1)
        313.3726705426359345050449
        3140.807136030340213610065
        31415.14112579761578220175

    Zeros of functions with large order::

        >>> besselyzero(50,1)
        53.50285882040036394680237
        >>> besselyzero(50,2)
        60.11244442774058114686022
        >>> besselyzero(50,100)
        387.1096509824943957706835
        >>> besselyzero(50,1,1)
        56.96290427516751320063605
        >>> besselyzero(50,2,1)
        62.74888166945933944036623
        >>> besselyzero(50,100,1)
        388.6923300548309258355475

    Zeros of functions with fractional order::

        >>> besselyzero(0.5,1); besselyzero(1.5,1); besselyzero(2.25,4)
        1.570796326794896619231322
        2.798386045783887136720249
        13.56721208770735123376018

    """
    return +bessel_zero(ctx, 2, derivative, v, m)
def besselyzero ( ctx , v , m , derivative = 0 ) : return + bessel_zero ( ctx , 2 , derivative , v , m )