Neville theta functions
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1: 20.1 Special Notation
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►Neville’s notation: , , , , respectively, for , , , , where again .
This notation simplifies the relationship of the theta functions to Jacobian elliptic functions (§22.2); see Neville (1951).
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2: 22.2 Definitions
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22.2.9
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►The six functions containing the letter in their two-letter name are odd in ; the other six are even in .
►In terms of Neville’s theta functions (§20.1)
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3: 20.15 Tables
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►Tables of Neville’s theta functions
, , , (see §20.1) and their logarithmic -derivatives are given in Abramowitz and Stegun (1964, pp. 582–585) to 9D for , where (in radian measure) , and is defined by (20.15.1).
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