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This algorithm is known as the "quasi-fast Hankel transform", or simply "fast Hankel transform". Since it is based on fast Fourier transform in logarithmic variables, f ( r ) {\displaystyle f(r)} has to be defined on a logarithmic grid.
Hadamard transform (or, Walsh–Hadamard transform) Fast wavelet transform; Hankel transform, the determinant of the Hankel matrix; Discrete Chebyshev transform.
Hankel matrices are formed when, given a sequence of output data, a realization of an underlying state-space or hidden Markov model is desired. [3] The singular value decomposition of the Hankel matrix provides a means of computing the A, B, and C matrices which define the state-space realization. [4]
Hankel matrix, an "upside ... Lu, Y. (2006), "On the correlation matrix of the discrete Fourier transform and the fast solution of large Toeplitz systems for ...
3 Numerical evaluation of Hankel integrals: a fast and accurate algorithm (the QFHT) 1 comment. 4 Holy mathspeak, Batman. ... 7 Definition of Fourier transform incorrect.
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These transforms are closely related to the Hankel transform, as both involve Bessel functions. In problems of mathematical physics and applied mathematics, the Hankel, Y, H transforms all may appear in problems having axial symmetry. Hankel transforms are however much more commonly seen due to their connection with the 2-dimensional Fourier ...
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