DLMF: Notations Y

♦*♦A♦B♦C♦D♦E♦F♦G♦H♦I♦J♦K♦L♦M♦N♦O♦P♦Q♦R♦S♦T♦U♦V♦W♦X♦Y♦Z♦

$\mathop{y_{{\nu,m}}\/}\nolimits$: zeros of the Bessel function $\mathop{Y_{{\nu}}\/}\nolimits\!\left(x\right)$ ; §10.21(i)
$\mathop{{y^{{\prime}}_{{\nu,m}}}\/}\nolimits$: zeros of the Bessel function derivative ${\mathop{Y_{{\nu}}\/}\nolimits^{{\prime}}}\!\left(x\right)$ ; §10.21(i)
$\mathop{Y_{{\nu}}\/}\nolimits\!\left(z\right)$: Bessel function of the second kind; (10.2.3)
$y_{n}(x)=\mathop{y_{{n}}\/}\nolimits\!\left(x;2\right)$: other notation; (18.34.2)
(with $\mathop{y_{{n}}\/}\nolimits\!\left(x;a\right)$ : Bessel polynomial)
$\mathop{\widetilde{Y}_{{\nu}}\/}\nolimits\!\left(x\right)$: Bessel function of imaginary order; (10.24.2)
$y_{n}(z)=\mathop{\mathsf{y}_{{n}}\/}\nolimits\!\left(z\right)$: notation used by Abramowitz and Stegun (1964); §10.1
(with $\mathop{\mathsf{y}_{{n}}\/}\nolimits\!\left(z\right)$ : spherical Bessel function of the second kind)

$\mathop{\mathsf{y}_{{n}}\/}\nolimits\!\left(z\right)$: spherical Bessel function of the second kind; (10.47.4)
$\mathop{y_{{n}}\/}\nolimits\!\left(x;a\right)$: Bessel polynomial; (18.34.1)
$\mathop{Y_{{{l},{m}}}\/}\nolimits\!\left(\theta,\phi\right)$: spherical harmonic; (14.30.1)
$\mathop{Y_{{l}}^{{m}}\/}\nolimits\!\left(\theta,\phi\right)$: surface harmonic of the first kind; (14.30.2)
$y_{n}(x;a,b)=\mathop{y_{{n}}\/}\nolimits\!\left(2x/b;a\right)$: other notation; (18.34.3)
(with $\mathop{y_{{n}}\/}\nolimits\!\left(x;a\right)$ : Bessel polynomial)