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Calculating the exact number of multipications in FFT radix 2 algorithm

score 72 · Answer 1 · 2026-03-26 04:52:17

72

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Calculating the exact number of multipications in FFT radix 2 algorithm

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score 186 · Answer 2 · 2026-04-15 22:48:20

186

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What is the inverse Fourier transform of the japanese bracket $(1+4\pi^2|\xi|^2)^{-s/2}, s>0$ in $\mathbb{R}^d$ and how does it decay?

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score 90 · Answer 3 · 2026-04-13 17:07:23

90

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If a trigonometric series equals zero at every point, will its coefficients all be zero?

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score 19 · Answer 4 · 2026-04-15 09:13:18

19

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score 81 · Answer 5 · 2026-04-13 07:26:51

81

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score 34 · Answer 6 · 2026-04-16 07:51:42

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score 83 · Answer 7 · 2026-04-10 22:47:50

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51

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score 58 · Answer 9 · 2026-04-15 02:27:53

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60

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score 85 · Answer 12 · 2026-04-16 15:31:47

85

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score 126 · Answer 13 · 2026-04-16 02:41:17

126

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score 60 · Answer 15 · 2026-04-11 08:47:39

60

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List Question

Calculating the exact number of multipications in FFT radix 2 algorithm

What is the inverse Fourier transform of the japanese bracket $(1+4\pi^2|\xi|^2)^{-s/2}, s>0$ in $\mathbb{R}^d$ and how does it decay?

If a trigonometric series equals zero at every point, will its coefficients all be zero?

Positivity of the spectrum of a quasi-stationary signal

[Residue Theorem]: explicit calculus of an integral along the real axis.

Continuous version of uniform continuity?

Integral involving Fourier transform of 1/|X|

Discrete Fourier Transform error depencency from number of Fourier modes

Solve $\int _0^2t^2e^{-t}\cos\left(n\frac{\pi }{2}t\right)dt\:$ using Laplace

Fourier series (traffic engineering paper)

Schwartz class functions whose Hilbert transforms are integrable must have integration zero

Show that a distribution with compact support $K$ is annihilated by smooth functions supported outside $K$ only in $\mathbb{R}^2$ or $\mathbb{R}$.

Prove that Fourier basis is maximal orthonormal set in real L2

Fourier coefficients of exponential function: why don't they decay exponentially?

Fourier Series coefficients of the integral

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