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21: 19.29 Reduction of General Elliptic Integrals
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►The advantages of symmetric integrals for tables of integrals and symbolic integration are illustrated by (19.29.4) and its cubic case, which replace the formulas in Gradshteyn and Ryzhik (2000, 3.147, 3.131, 3.152) after taking as the variable of integration in 3.
…142(2) is included as
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►The first choice gives a formula that includes the 18+9+18 = 45 formulas in Gradshteyn and Ryzhik (2000, 3.133, 3.156, 3.158), and the second choice includes the 8+8+8+12 = 36 formulas in Gradshteyn and Ryzhik (2000, 3.151, 3.149, 3.137, 3.157) (after setting in some cases).
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►If , where both linear factors are positive for , and , then (19.29.25) is modified so that
…In the cubic case, in which , , (19.29.26) reduces further to
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22: 26.6 Other Lattice Path Numbers
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is the number of lattice paths from to that stay on or above the line and are composed of directed line segments of the form , , or .
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26.6.7
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26.6.8
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26.6.11
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26.6.14
23: 3.9 Acceleration of Convergence
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§3.9(iii) Aitken’s -Process
… ► … ►Then . … ►with . … ►For examples and other transformations for convergent sequences and series, see Wimp (1981, pp. 156–199), Brezinski and Redivo Zaglia (1991, pp. 55–72), and Sidi (2003, Chapters 6, 12–13, 15–16, 19–24, and pp. 483–492). …24: 3.4 Differentiation
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►If is continuous on the interval defined in §3.3(i), then the remainder in (3.4.1) is given by
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►With the choice (which is crucial when is large because of numerical cancellation) the integrand equals at the dominant points , and in combination with the factor in front of the integral sign this gives a rough approximation to .
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►For additional formulas involving values of and on square, triangular, and cubic grids, see Collatz (1960, Table VI, pp. 542–546).
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25: 26.9 Integer Partitions: Restricted Number and Part Size
26: 25.3 Graphics
27: 23.19 Interrelations
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23.19.1
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23.19.2
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23.19.3
►where are the invariants of the lattice with generators and ; see §23.3(i).
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23.19.4
28: 16.12 Products
29: 13.22 Zeros
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►From (13.14.2) and (13.14.3) has the same zeros as and has the same zeros as , hence the results given in §13.9 can be adopted.
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13.22.1
►where is the th positive zero of the Bessel function (§10.21(i)).
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