Landen%20transformations
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1: 19.36 Methods of Computation
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§19.36(ii) Quadratic Transformations
… ►The step from to is an ascending Landen transformation if (leading ultimately to a hyperbolic case of ) or a descending Gauss transformation if (leading to a circular case of ). … ►Thompson (1997, pp. 499, 504) uses descending Landen transformations for both and . … ►If , then the method fails, but the function can be expressed by (19.6.13) in terms of , for which Neuman (1969b) uses ascending Landen transformations. … ►The function is computed by descending Landen transformations if is real, or by descending Gauss transformations if is complex (Bulirsch (1965b)). …2: 20.7 Identities
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§20.7(iv) Reduction Formulas for Products
… ►§20.7(vi) Landen Transformations
… ►See Lawden (1989, pp. 19–20). … ►§20.7(viii) Transformations of Lattice Parameter
… ►§20.7(ix) Addendum to 20.7(iv) Reduction Formulas for Products
…3: Bibliography
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Exact linearization of a Painlevé transcendent.
Phys. Rev. Lett. 38 (20), pp. 1103–1106.
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On the degrees of irreducible factors of higher order Bernoulli polynomials.
Acta Arith. 62 (4), pp. 329–342.
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Application of the combined nonlinear-condensation transformation to problems in statistical analysis and theoretical physics.
Comput. Phys. Comm. 150 (1), pp. 1–20.
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Gauss, Landen, Ramanujan, the arithmetic-geometric mean, ellipses, , and the Ladies Diary.
Amer. Math. Monthly 95 (7), pp. 585–608.
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Repeated integrals and derivatives of Bessel functions.
SIAM J. Math. Anal. 20 (1), pp. 169–175.
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