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15
Math.TechQA.Club
2019-04-18 05:44:24
36
Views
maximum of the function $f(x) = \sum_{n\geq 1 } \sin n x /n^\alpha $
Published on
18 Apr 2019 - 5:44
#analysis
#fourier-analysis
#asymptotics
#fourier-series
#maxima-minima
865
Views
Fourier series matlab
Published on
28 Mar 2026 - 14:53
#fourier-series
#matlab
887
Views
Why does this identity hold for Fejér Kernels?
Published on
27 Mar 2026 - 18:22
#fourier-analysis
#fourier-series
#fejer-kernel
83
Views
Fourier series confusion
Published on
21 Apr 2019 - 9:11
#multivariable-calculus
#fourier-series
119
Views
Strategies for proving continuity and differentiability of trigonometric series
Published on
21 Apr 2019 - 14:42
#derivatives
#convergence-divergence
#fourier-analysis
#fourier-series
#uniform-convergence
220
Views
Is it possible that $\sin^5 (x)$ doesn't have a Fourier series?
Published on
22 Apr 2019 - 6:40
#fourier-series
342
Views
Triple sum $\sum\limits_{a=1}^{\infty} \sum\limits_{b=1}^{\infty} \sum\limits_{c=1}^{\infty} \frac{\cos a \cos b \cos c}{a^2 + b^2 + c^2}$
Published on
22 Apr 2019 - 8:56
#sequences-and-series
#convergence-divergence
#summation
#fourier-series
#fourier-transform
768
Views
Integrals of products of sines and cosines with arbitrary periods
Published on
27 Mar 2026 - 11:49
#integration
#trigonometry
#fourier-series
#orthogonality
748
Views
How do I periodically extend a function?
Published on
23 Apr 2019 - 3:48
#fourier-series
#fourier-transform
209
Views
Is it possible to use FFT to derive a Fourier series fitting to data?
Published on
25 Mar 2026 - 11:13
#fourier-analysis
#fourier-series
#fast-fourier-transform
744
Views
Minimizing the MSE of a Fourier series
Published on
23 Apr 2019 - 18:53
#fourier-analysis
#fourier-series
16.9k
Views
What exactly is a basis function?
Published on
24 Apr 2019 - 3:17
#fourier-series
441
Views
Hadamard transforms seen as rotations in higher dimensions
Published on
25 Mar 2026 - 17:36
#fourier-series
#fourier-transform
#rotations
#hadamard-matrices
96
Views
Why is the denominator and numerator of Fourier coefficient (in Fourier series(exponential) expansion) have a conjugate of the exponential set?
Published on
25 Apr 2019 - 23:23
#fourier-series
#fourier-transform
254
Views
Proving parseval identity for trigonometric polynomials
Published on
23 Feb 2026 - 1:17
#fourier-series
#parsevals-identity
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