numerically satisfactory solutions
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21: 15.10 Hypergeometric Differential Equation
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§15.10(i) Fundamental Solutions
… ►They are also numerically satisfactory (§2.7(iv)) in the neighborhood of the corresponding singularity. … ► ►§15.10(ii) Kummer’s 24 Solutions and Connection Formulas
►The three pairs of fundamental solutions given by (15.10.2), (15.10.4), and (15.10.6) can be transformed into 18 other solutions by means of (15.8.1), leading to a total of 24 solutions known as Kummer’s solutions. …22: 2.9 Difference Equations
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►As in the case of differential equations (§§2.7(iii), 2.7(iv)) recessive solutions are unique and dominant solutions are not; furthermore, one member of a numerically satisfactory pair has to be recessive.
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23: 14.20 Conical (or Mehler) Functions
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►Solutions are known as conical or Mehler functions.
For and , a numerically satisfactory pair of real conical functions is and .
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►Another real-valued solution
of (14.20.1) was introduced in Dunster (1991).
…It is an important companion solution to when is large; compare §§14.20(vii), 14.20(viii), and 10.25(iii).
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►Lastly, for the range , is a real-valued solution of (14.20.1); in terms of (which are complex-valued in general):
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