Digital Library of Mathematical Functions
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13 Confluent Hypergeometric FunctionsKummer Functions13.7 Asymptotic Expansions for Large Argument

Figure 13.7.1 (See in context.)

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Figure 13.7.1: Regions {\textbf{R}}_{1}, {\textbf{R}}_{2}, \overline{\textbf{R}}_{2}, {\textbf{R}}_{3}, and \overline{\textbf{R}}_{3} are the closures of the indicated unshaded regions bounded by the straight lines and circular arcs centered at the origin, with r=|b-2a|.