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Notations I

*ABCDEFGH♦I♦JKLMNOPQRSTUVWXYZ
I
unit matrix; Common Notations and Definitions
I α
fractional integral; 1.15.47
I ( m )
general elliptic integral; §19.29(ii)
imaginary part; 1.9.2
I ν ( z )
modified Bessel function of the first kind; 10.25.2
I ~ ν ( x )
modified Bessel function of the first kind of imaginary order; 10.45.2
i n ( 1 ) ( z )
modified spherical Bessel function; 10.47.7
i n ( 2 ) ( z )
modified spherical Bessel function; 10.47.8
I x ( a , b )
incomplete beta function; 8.17.2
I ( a , b , x ) = I x ( a , b )
notation used by Magnus et al. (1966); §8.1
(with Ix(a,b): incomplete beta function)
idem ( χ 1 ; χ 2 , , χ n )
idem function; §17.1
Ie n ( z , h )
modified Mathieu function; 28.20.17
i n erfc ( z )
repeated integrals of the complementary error function; 7.18.2
in n ( z , q ) = fe n ( z , q )
notation used by Campbell (1955); §28.1
(with fen(z,q): second solution, Mathieu’s equation)
inf
greatest lower bound (infimum); Common Notations and Definitions
inh n ( z , q ) = Fe n ( z , q )
notation used by Campbell (1955); §28.1
(with Fen(z,q): modified Mathieu function)
inv
inversion number; §26.14(i)
inverf x
inverse error function; 7.17.1
inverfc x
inverse complementary error function; 7.17.1
Io n ( z , h )
modified Mathieu function; 28.20.18