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11—20 of 118 matching pages
11: 16.17 Definition
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is a loop that starts at infinity on a line parallel to the positive real axis, encircles the poles of the once in the negative sense and returns to infinity on another line parallel to the positive real axis. The integral converges for all () if , and for if .
is a loop that starts at infinity on a line parallel to the negative real axis, encircles the poles of the once in the positive sense and returns to infinity on another line parallel to the negative real axis. The integral converges for all if , and for if .
12: 29.17 Other Solutions
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►Lamé–Wangerin functions are solutions of (29.2.1) with the property that is bounded on the line segment from to .
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13: 36.4 Bifurcation Sets
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►Swallowtail self-intersection line:
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►Swallowtail cusp lines (ribs):
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►Elliptic umbilic cusp lines (ribs):
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►Hyperbolic umbilic cusp line (rib):
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14: 36.7 Zeros
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►The zeros are lines in space where is undetermined.
…Away from the -axis and approaching the cusp lines (ribs) (36.4.11), the lattice becomes distorted and the rings are deformed, eventually joining to form “hairpins” whose arms become the pairs of zeros (36.7.1) of the cusp canonical integral.
…Outside the bifurcation set (36.4.10), each rib is flanked by a series of zero lines in the form of curly “antelope horns” related to the “outside” zeros (36.7.2) of the cusp canonical integral.
There are also three sets of zero lines in the plane related by rotation; these are zeros of (36.2.20), whose asymptotic form in polar coordinates is given by
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15: Bibliography I
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Computation of integrals over the half-line involving products of Bessel functions, with application to microwave transmission lines.
Z. Angew. Math. Mech. 75 (12), pp. 917–926.
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16: Mathematical Introduction
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►Special functions with one real variable are depicted graphically with conventional two-dimensional (2D) line graphs.
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complex plane (excluding infinity). | |
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open interval in , or open straight-line segment joining and in . | |
closed interval in , or closed straight-line segment joining and in . |
or | half-closed intervals. |
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real line (excluding infinity). | |
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17: 26.6 Other Lattice Path Numbers
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is the number of paths from to that are composed of directed line segments of the form , , or .
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is the number of lattice paths from to that stay on or above the line
and are composed of directed line segments of the form , , or .
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is the number of lattice paths from to that stay on or above the line
, are composed of directed line segments of the form or , and for which there are exactly occurrences at which a segment of the form is followed by a segment of the form .
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is the number of paths from to that stay on or above the diagonal and are composed of directed line segments of the form , , or .
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18: 6.7 Integral Representations
19: 4.15 Graphics
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►Lines parallel to the real axis in the -plane map onto ellipses in the -plane with foci at , and lines parallel to the imaginary axis in the -plane map onto rectangular hyperbolas confocal with the ellipses.
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