reflection formula
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11: 4.23 Inverse Trigonometric Functions
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§4.23(iii) Reflection Formulas
…12: 18.16 Zeros
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►In view of the reflection formula, given in Table 18.6.1, we may consider just the positive zeros , .
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13: 10.68 Modulus and Phase Functions
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14: 28.12 Definitions and Basic Properties
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28.12.15
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15: Preface
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►Abramowitz and Stegun’s Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables is being completely rewritten with regard to the needs of today.
…The authors will review the relevant published literature and produce approximately twice the number of formulas that were contained in the original Handbook.
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►The term digital library has gained acceptance for this kind of information resource, and our choice of project title reflects our hope that the NIST DLMF will be a vehicle for revolutionizing the way applicable mathematics in general is practiced and delivered.
16: 36.5 Stokes Sets
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§36.5(ii) Cuspoids
… ►§36.5(iii) Umbilics
… ►One of the sheets is symmetrical under reflection in the plane , and is given by …17: 18.38 Mathematical Applications
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►If the nodes in a quadrature formula with a positive weight function are chosen to be the zeros of the th degree OP with the same weight function, and the interval of orthogonality is the same as the integration range, then the weights in the quadrature formula can be chosen in such a way that the formula is exact for all polynomials of degree not exceeding .
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►The Dunkl operator, introduced by Dunkl (1989), is an operator associated with reflection groups or root systems which has terms involving first order partial derivatives and reflection terms.
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►The Dunkl type operator is a -difference-reflection operator acting on Laurent polynomials and its eigenfunctions, the nonsymmetric Askey–Wilson polynomials, are linear combinations of the symmetric Laurent polynomial and the ‘anti-symmetric’ Laurent polynomial , where is given in (18.28.1_5).
See Koornwinder (2007a, (3.13), (4.9), (4.10)) for explicit formulas.
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18: 28.5 Second Solutions ,
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►(Other normalizations for and can be found in the literature, but most formulas—including connection formulas—are unaffected since and are invariant.)
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19: 23.20 Mathematical Applications
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►It follows from the addition formula (23.10.1) that the points , , have zero sum iff , so that addition of points on the curve corresponds to addition of parameters on the torus ; see McKean and Moll (1999, §§2.11, 2.14).
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►The addition law states that to find the sum of two points, take the third intersection with of the chord joining them (or the tangent if they coincide); then its reflection in the -axis gives the required sum.
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20: Bibliography F
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The Edmonds asymptotic formulas for the and symbols.
J. Math. Phys. 39 (7), pp. 3906–3915.
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Transverse cusp diffraction catastrophes produced by the reflection of ultrasonic tone bursts from a curved surface in water.
J. Acoust. Soc. Amer. 92 (5), pp. 2869–2877.
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Travel time surface of a transverse cusp caustic produced by reflection of acoustical transients from a curved metal surface.
J. Acoust. Soc. Amer. 95 (2), pp. 650–660.
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On the coefficients in the recursion formulae of orthogonal polynomials.
Proc. Roy. Irish Acad. Sect. A 76 (1), pp. 1–6.
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