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11: 19.36 Methods of Computation
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§19.36(ii) Quadratic Transformations
►Complete cases of Legendre’s integrals and symmetric integrals can be computed with quadratic convergence by the AGM method (including Bartky transformations), using the equations in §19.8(i) and §19.22(ii), respectively. … ►As , , , and converge quadratically to limits , , and , respectively; hence … ►Computation of Legendre’s integrals of all three kinds by quadratic transformation is described by Cazenave (1969, pp. 128–159, 208–230). ►Quadratic transformations can be applied to compute Bulirsch’s integrals (§19.2(iii)). …12: 15.8 Transformations of Variable
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§15.8(iii) Quadratic Transformations
►A quadratic transformation relates two hypergeometric functions, with the variable in one a quadratic function of the variable in the other, possibly combined with a fractional linear transformation. … ►§15.8(iv) Quadratic Transformations (Continued)
… ►This is a quadratic transformation between two cases in Group 1. … ►which is a quadratic transformation between two cases in Group 3. …13: 19.31 Probability Distributions
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and occur as the expectation values, relative to a normal probability distribution in or , of the square root or reciprocal square root of a quadratic form.
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14: 19.8 Quadratic Transformations
§19.8 Quadratic Transformations
… ►showing that the convergence of to 0 and of and to is quadratic in each case. … ►Again, and converge quadratically to and 0, respectively, and converges to 0 faster than quadratically. …15: 16.16 Transformations of Variables
16: 32.7 Bäcklund Transformations
17: 1.11 Zeros of Polynomials
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Quadratic Equations
…18: 19.22 Quadratic Transformations
§19.22 Quadratic Transformations
… ►As , and converge quadratically to and 0, respectively, and converges to 0 faster than quadratically. …19: 27.8 Dirichlet Characters
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►If is odd, then the real characters (mod ) are the principal character and the quadratic characters described in the next section.
20: 18.19 Hahn Class: Definitions
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Wilson class (or quadratic lattice class). These are OP’s ( of degree in , quadratic in ) where the role of the differentiation operator is played by or or . The Wilson class consists of two discrete and two continuous families.