Liouville function
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11—20 of 33 matching pages
11: 3.7 Ordinary Differential Equations
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►Consideration will be limited to ordinary linear second-order
differential equations
…where , , and are analytic functions in a domain .
…For applications to special functions
, , and are often simple rational functions.
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§3.7(iv) Sturm–Liouville Eigenvalue Problems
… ►The Sturm–Liouville eigenvalue problem is the construction of a nontrivial solution of the system …12: Bibliography D
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Convergent Liouville-Green expansions for second-order linear differential equations, with an application to Bessel functions.
Proc. Roy. Soc. London Ser. A 440, pp. 37–54.
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13: 2.7 Differential Equations
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§2.7(iii) Liouville–Green (WKBJ) Approximation
►For irregular singularities of nonclassifiable rank, a powerful tool for finding the asymptotic behavior of solutions, complete with error bounds, is as follows: ►Liouville–Green Approximation Theorem
… ►Here is the error-control function … ►The first of these references includes extensions to complex variables and reversions for zeros. …14: 30.2 Differential Equations
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§30.2(i) Spheroidal Differential Equation
… ►The Liouville normal form of equation (30.2.1) is ►
30.2.2
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►If , Equation (30.2.4) is satisfied by spherical Bessel functions; see (10.47.1).
15: 18.38 Mathematical Applications
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►The basic ideas of Gaussian quadrature, and their extensions to non-classical weight functions, and the computation of the corresponding quadrature abscissas and weights, have led to discrete variable representations, or DVRs, of Sturm–Liouville and other differential operators.
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16: 27.3 Multiplicative Properties
§27.3 Multiplicative Properties
►Except for , , , and , the functions in §27.2 are multiplicative, which means and … ►
27.3.5
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►A function
is completely multiplicative if and
…Examples are and , and the Dirichlet characters, defined in §27.8.
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17: 3.8 Nonlinear Equations
§3.8 Nonlinear Equations
… ►where is a real or complex variable and the function is nonlinear. … ►This is an iterative method for real twice-continuously differentiable, or complex analytic, functions: … ►§3.8(v) Zeros of Analytic Functions
… ►For describing the distribution of complex zeros of solutions of linear homogeneous second-order differential equations by methods based on the Liouville–Green (WKB) approximation, see Segura (2013). …18: Bibliography S
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Sturm oscillation and comparison theorems.
In Sturm-Liouville theory,
pp. 29–43.
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Liouville-Green approximations via the Riccati transformation.
J. Math. Anal. Appl. 116 (1), pp. 147–165.
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Liouville-Green-Olver approximations for complex difference equations.
J. Approx. Theory 96 (2), pp. 301–322.
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Liouville-Green approximations for a class of linear oscillatory difference equations of the second order.
J. Comput. Appl. Math. 41 (1-2), pp. 105–116.
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A Survey on the Liouville-Green (WKB) Approximation for Linear Difference Equations of the Second Order.
In Advances in Difference Equations (Veszprém, 1995), S. Elaydi, I. Győri, and G. Ladas (Eds.),
pp. 567–577.
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19: Bibliography P
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Tables of Digamma and Trigamma Functions.
In Tracts for Computers, No. 1, K. Pearson (Ed.),
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Exponential asymptotics of the Mittag-Leffler function.
Proc. Roy. Soc. London Ser. A 458, pp. 3041–3052.
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Tables of the Incomplete Beta-function.
2nd edition, Published for the Biometrika Trustees at the Cambridge
University Press, Cambridge.
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Bounds for ratios of modified Bessel functions.
Integral Transform. Spec. Funct. 9 (4), pp. 293–298.
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Numerical Solution of Sturm-Liouville Problems.
Monographs on Numerical Analysis, The Clarendon Press, Oxford University Press, New York.
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20: 2.6 Distributional Methods
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►To each function in this equation, we shall assign a tempered
distribution (i.
…, a continuous linear functional) on the space of rapidly decreasing functions on .
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►We have now assigned a distribution to each function in (2.6.10).
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►The Riemann–Liouville fractional integral of order
is defined by
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►Also,
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