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The xft Quadrature in Discrete Fourier Analysis (Applied and Numerical Harmonic Analysis)
Rafael G. Campos (Author)
·
Birkhäuser
· Hardcover
The xft Quadrature in Discrete Fourier Analysis (Applied and Numerical Harmonic Analysis) - Rafael G. Campos
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Origin: U.S.A.
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Synopsis "The xft Quadrature in Discrete Fourier Analysis (Applied and Numerical Harmonic Analysis)"
This book has two main objectives, the first of which is to extend the power of numerical Fourier analysis and to show by means of theoretical examples and numerous concrete applications that when computing discrete Fourier transforms of periodic and non periodic functions, the usual kernel matrix of the Fourier transform, the discrete Fourier transform (DFT), should be replaced by another kernel matrix, the eXtended Fourier transform (XFT), since the XFT matrix appears as a convergent quadrature of a more general transform, the fractional Fourier transform. In turn, the book’s second goal is to present the XFT matrix as a finite-dimensional transformation that links certain discrete operators in the same way that the corresponding continuous operators are related by the Fourier transform, and to show that the XFT matrix accordingly generates sequences of matrix operators that represent continuum operators, and which allow these operators to be studied from another perspective.
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All books in our catalog are Original.
The book is written in English.
The binding of this edition is Hardcover.
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