Weierstrass elliptic-function form
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11: 23.10 Addition Theorems and Other Identities
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§23.10(i) Addition Theorems
… ►§23.10(ii) Duplication Formulas
… ►(23.10.8) continues to hold when , , are permuted cyclically. … ►§23.10(iii) -Tuple Formulas
… ►§23.10(iv) Homogeneity
…12: 29.2 Differential Equations
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§29.2(i) Lamé’s Equation
… ►§29.2(ii) Other Forms
… ►we have …For the Weierstrass function see §23.2(ii). … ►13: 23.4 Graphics
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§23.4(i) Real Variables
►Line graphs of the Weierstrass functions , , and , illustrating the lemniscatic and equianharmonic cases. … ► … ►§23.4(ii) Complex Variables
►Surfaces for the Weierstrass functions , , and . …14: 19.25 Relations to Other Functions
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§19.25(vi) Weierstrass Elliptic Functions
… ►Let be a lattice for the Weierstrass elliptic function . …The sign on the right-hand side of (19.25.35) will change whenever one crosses a curve on which , for some . … ►for some and . … ►in which and are generators for the lattice , , and (see (23.2.12)). …15: 23.23 Tables
§23.23 Tables
… ►2 in Abramowitz and Stegun (1964) gives values of , , and to 7 or 8D in the rectangular and rhombic cases, normalized so that and (rectangular case), or and (rhombic case), for = 1. …05, and in the case of the user may deduce values for complex by application of the addition theorem (23.10.1). ►Abramowitz and Stegun (1964) also includes other tables to assist the computation of the Weierstrass functions, for example, the generators as functions of the lattice invariants and . ►For earlier tables related to Weierstrass functions see Fletcher et al. (1962, pp. 503–505) and Lebedev and Fedorova (1960, pp. 223–226).16: 23.1 Special Notation
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►The main functions treated in this chapter are the Weierstrass
-function
; the Weierstrass zeta function
; the Weierstrass sigma function
; the elliptic modular function
; Klein’s complete invariant ; Dedekind’s eta function
.
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lattice in . | |
… | |
nome. | |
discriminant . | |
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17: 23.6 Relations to Other Functions
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§23.6(i) Theta Functions
… ►§23.6(ii) Jacobian Elliptic Functions
… ►§23.6(iii) General Elliptic Functions
… ►§23.6(iv) Elliptic Integrals
… ►18: 23.5 Special Lattices
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