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21: 5.10 Continued Fractions
where
a 0 = 1 12 ,
a 1 = 1 30 ,
a 2 = 53 210 ,
For exact values of a 7 to a 11 and 40S values of a 0 to a 40 , see Char (1980). …
22: 28.29 Definitions and Basic Properties
The basic solutions w I ( z , λ ) , w II ( z , λ ) are defined in the same way as in §28.2(ii) (compare (28.2.5), (28.2.6)). … where the function P ν ( z ) is π -periodic. … If ν ( 0 , 1 ) is a solution of (28.29.9), then F ν ( z ) , F ν ( z ) comprise a fundamental pair of solutions of Hill’s equation. … In the symmetric case Q ( z ) = Q ( z ) , w I ( z , λ ) is an even solution and w II ( z , λ ) is an odd solution; compare §28.2(ii). …The π -periodic or π -antiperiodic solutions are multiples of w I ( z , λ ) , w II ( z , λ ) , respectively. …
23: 21.1 Special Notation
g , h positive integers.
a j j th element of vector 𝐚 .
diag 𝐀 Transpose of [ A 11 , A 22 , , A g g ] .
𝐉 2 g [ 𝟎 g 𝐈 g 𝐈 g 𝟎 g ] .
S 1 S 2 set of all elements of the form “ element of  S 1 × element of  S 2 ”.
S 1 / S 2 set of all elements of S 1 , modulo elements of S 2 . Thus two elements of S 1 / S 2 are equivalent if they are both in S 1 and their difference is in S 2 . (For an example see §20.12(ii).)
24: 10.75 Tables
  • Achenbach (1986) tabulates J 0 ( x ) , J 1 ( x ) , Y 0 ( x ) , Y 1 ( x ) , x = 0 ( .1 ) 8 , 20D or 18–20S.

  • Zhang and Jin (1996, p. 199) tabulates the real and imaginary parts of the first 15 conjugate pairs of complex zeros of Y 0 ( z ) , Y 1 ( z ) , Y 1 ( z ) and the corresponding values of Y 1 ( z ) , Y 0 ( z ) , Y 1 ( z ) , respectively, 10D.

  • Abramowitz and Stegun (1964, Chapter 11) tabulates 0 x J 0 ( t ) d t , 0 x Y 0 ( t ) d t , x = 0 ( .1 ) 10 , 10D; 0 x t 1 ( 1 J 0 ( t ) ) d t , x t 1 Y 0 ( t ) d t , x = 0 ( .1 ) 5 , 8D.

  • Achenbach (1986) tabulates I 0 ( x ) , I 1 ( x ) , K 0 ( x ) , K 1 ( x ) , x = 0 ( .1 ) 8 , 19D or 19–21S.

  • Abramowitz and Stegun (1964, Chapter 11) tabulates e x 0 x I 0 ( t ) d t , e x x K 0 ( t ) d t , x = 0 ( .1 ) 10 , 7D; e x 0 x t 1 ( I 0 ( t ) 1 ) d t , x e x x t 1 K 0 ( t ) d t , x = 0 ( .1 ) 5 , 6D.

  • 25: 3.3 Interpolation
    The nodes or abscissas z k are real or complex; function values are f k = f ( z k ) . … Let c n be defined by … The divided differences of f relative to a sequence of distinct points z 0 , z 1 , z 2 , are defined by …If f and the z k ( = x k ) are real, and f is n times continuously differentiable on a closed interval containing the x k , then … By using this approximation to x as a new point, x 3 = x , and evaluating [ f 0 , f 1 , f 2 , f 3 ] x = 1.12388 6190 , we find that x = 2.33810 7409 , with 9 correct digits. …
    26: 17.7 Special Cases of Higher ϕ s r Functions
    §17.7(i) ϕ 2 2 Functions
    q -Analog of Bailey’s F 1 2 ( 1 ) Sum
    q -Analog of Gauss’s F 1 2 ( 1 ) Sum
    q -Analog of Dixon’s F 2 3 ( 1 ) Sum
    where m 1 , m 2 , , m r are arbitrary nonnegative integers. …
    27: 31.4 Solutions Analytic at Two Singularities: Heun Functions
    To emphasize this property this set of functions is denoted by … The eigenvalues q m satisfy the continued-fraction equation …in which P j , Q j , R j are as in §31.3(i). … with ( s 1 , s 2 ) { 0 , 1 , a , } , denotes a set of solutions of (31.2.1), each of which is analytic at s 1 and s 2 . The set q m depends on the choice of s 1 and s 2 . …
    28: 24.20 Tables
    Abramowitz and Stegun (1964, Chapter 23) includes exact values of k = 1 m k n , m = 1 ( 1 ) 100 , n = 1 ( 1 ) 10 ; k = 1 k n , k = 1 ( 1 ) k 1 k n , k = 0 ( 2 k + 1 ) n , n = 1 , 2 , , 20D; k = 0 ( 1 ) k ( 2 k + 1 ) n , n = 1 , 2 , , 18D. Wagstaff (1978) gives complete prime factorizations of N n and E n for n = 20 ( 2 ) 60 and n = 8 ( 2 ) 42 , respectively. … For information on tables published before 1961 see Fletcher et al. (1962, v. 1, §4) and Lebedev and Fedorova (1960, Chapters 11 and 14).
    29: 24.19 Methods of Computation
    Equations (24.5.3) and (24.5.4) enable B n and E n to be computed by recurrence. …For example, the tangent numbers T n can be generated by simple recurrence relations obtained from (24.15.3), then (24.15.4) is applied. … If N ~ 2 n denotes the right-hand side of (24.19.1) but with the second product taken only for p ( π e ) 1 2 n + 1 , then N 2 n = N ~ 2 n for n 2 . … For algorithms for computing B n , E n , B n ( x ) , and E n ( x ) see Spanier and Oldham (1987, pp. 37, 41, 171, and 179–180).
    §24.19(ii) Values of B n Modulo p
    30: 11.14 Tables
  • Abramowitz and Stegun (1964, Chapter 12) tabulates 𝐇 n ( x ) , 𝐇 n ( x ) Y n ( x ) , and I n ( x ) 𝐋 n ( x ) for n = 0 , 1 and x = 0 ( .1 ) 5 , x 1 = 0 ( .01 ) 0.2 to 6D or 7D.

  • Agrest et al. (1982) tabulates 𝐇 n ( x ) and e x 𝐋 n ( x ) for n = 0 , 1 and x = 0 ( .001 ) 5 ( .005 ) 15 ( .01 ) 100 to 11D.

  • Abramowitz and Stegun (1964, Chapter 12) tabulates 0 x ( I 0 ( t ) 𝐋 0 ( t ) ) d t and ( 2 / π ) x t 1 𝐇 0 ( t ) d t for x = 0 ( .1 ) 5 to 5D or 7D; 0 x ( 𝐇 0 ( t ) Y 0 ( t ) ) d t ( 2 / π ) ln x , 0 x ( I 0 ( t ) 𝐋 0 ( t ) ) d t ( 2 / π ) ln x , and x t 1 ( 𝐇 0 ( t ) Y 0 ( t ) ) d t for x 1 = 0 ( .01 ) 0.2 to 6D.

  • Agrest et al. (1982) tabulates 0 x 𝐇 0 ( t ) d t and e x 0 x 𝐋 0 ( t ) d t for x = 0 ( .001 ) 5 ( .005 ) 15 ( .01 ) 100 to 11D.

  • Agrest and Maksimov (1971, Chapter 11) defines incomplete Struve, Anger, and Weber functions and includes tables of an incomplete Struve function 𝐇 n ( x , α ) for n = 0 , 1 , x = 0 ( .2 ) 10 , and α = 0 ( .2 ) 1.4 , 1 2 π , together with surface plots.