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Can FFT be used to cluster sound waves based on their similarity?

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#pattern-recognition #fast-fourier-transform #clustering
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Fast Fourier transform of the Gaussian function

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#fourier-transform #fast-fourier-transform
683
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How to implement boundary value in Python using spectral methods

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#ordinary-differential-equations #partial-differential-equations #python #fast-fourier-transform
5.6k
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Question about roots of unity in the Fast Fourier Transform

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#fourier-analysis #roots-of-unity #fast-fourier-transform
71
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Convert Real and Imaginary part from FFT to bands

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#complex-analysis #complex-numbers #fast-fourier-transform #octave
233
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Fast Fourier Transform with Negative Integer Exponent

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#combinatorics #computational-complexity #convolution #fast-fourier-transform
709
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FFT: Multiplying multiple poynomials in O(KSlogS) time

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#polynomials #algorithms #computational-complexity #trees #fast-fourier-transform
32
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Confused With using Fast Fourier Transformation for solving equations

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#matrix-equations #fourier-transform #fast-fourier-transform
79
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Comparability of Analytic Signal with (Discrete) Fourier Analysis

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#fourier-analysis #signal-processing #fast-fourier-transform
35
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order of accuracy for numerically evaluating $u''(x) +u'(x) +u(x) = e^{-x^2}$ with regard to grid resolution

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#numerical-methods #matlab #fast-fourier-transform
1k
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Question about the FFT version of the gradient of a function.

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#numerical-methods #fourier-transform #fast-fourier-transform #numerical-calculus
211
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Is it possible to use FFT to derive a Fourier series fitting to data?

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#fourier-analysis #fourier-series #fast-fourier-transform
53
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Applying Fourier transform to represent equation with integral as a sum of variables

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#integration #systems-of-equations #indefinite-integrals #fast-fourier-transform
270
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Circulant matrix-vector product procedure

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#matrices #fast-fourier-transform #circulant-matrices
358
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How does matrix vector multiplication scale a norm of vector?

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#matrices #fast-fourier-transform

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