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11: 1.15 Summability Methods
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§1.15(iii) Summability of Fourier Series
… ►Fejér Kernel
… ► … ►§1.15(v) Summability of Fourier Integrals
… ►Fejér Kernel
…12: Peter L. Walker
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►Walker’s books are An Introduction to Complex Analysis, published by Hilger in 1974, The Theory of Fourier Series and Integrals, published by Wiley in 1986, Elliptic Functions. A Constructive Approach, published by Wiley in 1996, and Examples and Theorems in Analysis, published by Springer in 2004.
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13: 28.11 Expansions in Series of Mathieu Functions
14: 6.16 Mathematical Applications
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►Consider the Fourier series
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►Compare Figure 6.16.1.
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►It occurs with Fourier-series expansions of all piecewise continuous functions.
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15: 28.35 Tables
§28.35 Tables
… ►Ince (1932) includes eigenvalues , , and Fourier coefficients for or , ; 7D. Also , for , , corresponding to the eigenvalues in the tables; 5D. Notation: , .
National Bureau of Standards (1967) includes the eigenvalues , for with , and with ; Fourier coefficients for and for , , respectively, and various values of in the interval ; joining factors , for with (but in a different notation). Also, eigenvalues for large values of . Precision is generally 8D.
Blanch and Clemm (1969) includes eigenvalues , for , , , ; 4D. Also and for , , and , respectively; 8D. Double points for ; 8D. Graphs are included.
16: 21.10 Methods of Computation
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►In addition to evaluating the Fourier series, the main problem here is to compute a Riemann matrix originating from a Riemann surface.
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17: 27.10 Periodic Number-Theoretic Functions
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►Every function periodic (mod ) can be expressed as a finite Fourier
series of the form
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►is a periodic function of and has the finite Fourier-series expansion
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►The finite Fourier expansion of a primitive Dirichlet character has the form
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