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Orthogonal Functions - Sansone, Giovanni, and Diamond, Ainsley H (Translated by), and Hille, Einar (Foreword by)

Covers expansion in a series of orthogonal functions and preliminary notions of Hilbert space; expansion in Fourier series and in series of Legendre polynomials and spherical harmonics; expansions in Laguerre and Hermite series.

Orthogonal Functions 2004, Dover Publications, Mineola, NY

ISBN-13: 9780486438016

Revised edition

Hardcover

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