Lax pair
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31: 10.47 Definitions and Basic Properties
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§10.47(iii) Numerically Satisfactory Pairs of Solutions
►For (10.47.1) numerically satisfactory pairs of solutions are given by Table 10.2.1 with the symbols , , , and replaced by , , , and , respectively. ►For (10.47.2) numerically satisfactory pairs of solutions are and in the right half of the -plane, and and in the left half of the -plane. …32: 14.21 Definitions and Basic Properties
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►When and , a numerically satisfactory pair of solutions of (14.21.1) in the half-plane is given by and .
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33: 23.1 Special Notation
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lattice in . | |
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Cartesian product of groups and , that is, the set of all pairs of elements with group operation . |
34: 26.14 Permutations: Order Notation
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►As an example, is an element of The inversion number is the number of pairs of elements for which the larger element precedes the smaller:
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►A descent of a permutation is a pair of adjacent elements for which the first is larger than the second.
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35: 10.63 Recurrence Relations and Derivatives
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►Let , denote any one of the ordered pairs:
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36: 13.2 Definitions and Basic Properties
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►Fundamental pairs of solutions of (13.2.1) that are numerically satisfactory (§2.7(iv)) in the neighborhood of infinity are
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►A fundamental pair of solutions that is numerically satisfactory near the origin is
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►When , a fundamental pair that is numerically satisfactory near the origin is and
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►When , a fundamental pair that is numerically satisfactory near the origin is and
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37: 28.33 Physical Applications
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38: 31.7 Relations to Other Functions
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►Other reductions of to a , with at least one free parameter, exist iff the pair
takes one of a finite number of values, where .
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39: 31.9 Orthogonality
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►and the integration paths , are Pochhammer double-loop contours encircling distinct pairs of singularities , , .
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40: 3.8 Nonlinear Equations
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►Let be an approximation to the real quadratic factor of that corresponds to a pair of conjugate complex zeros or to a pair of real zeros.
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