Question

What does $e^{\cos(D)}$ do?

score 88 · Answer 1 · 2026-03-25 19:25:13

88

Views

What does $e^{\cos(D)}$ do?

Published on 25 Mar 2026 - 19:25

score 54 · Answer 2 · 2026-04-10 02:05:00

54

Views

Can one design fast non-Cartesian Fourier transforms sampled on a cartesian grid in several dimensions?

Published on 10 Apr 2026 - 2:05

score 67 · Answer 3 · 2026-04-11 13:20:52

67

Views

Relation between logartihm and sine integral function

Published on 11 Apr 2026 - 13:20

score 238 · Answer 4 · 2026-04-14 03:33:29

238

Views

Does $f$ belong to $L^2(\mathbb R)$?

Published on 14 Apr 2026 - 3:33

score 52 · Answer 5 · 2026-04-14 06:49:47

52

Views

Completeness of $\delta_n = e_n + e_{n+1}$ with $e_n$ a complex exponential

Published on 14 Apr 2026 - 6:49

score 86 · Answer 6 · 2026-04-09 06:40:47

86

Views

Integral expression involving Bernoulli polynomial that allows to sum a trigonometric integral series.

Published on 09 Apr 2026 - 6:40

score 22 · Answer 7 · 2026-04-12 11:54:27

22

Views

Question on substitution when forming a Fourier series of a function

Published on 12 Apr 2026 - 11:54

score 113 · Answer 8 · 2026-04-10 16:22:42

113

Views

Apparent loss of information in fourier transform

Published on 10 Apr 2026 - 16:22

score 111 · Answer 9 · 2026-04-15 10:06:07

111

Views

Can we bound $\sum_{i=1}^ke^{-{\rm i}2\pi\langle\omega,\:x_i\rangle}$ by $\sum_{i=1}^ke^{-{\rm i}2\pi\langle\omega,\:x_i\rangle}\hat g(a_i\omega)$?

Published on 15 Apr 2026 - 10:06

score 39 · Answer 10 · 2026-04-11 14:39:10

39

Views

A Question Regarding the Construction of Fourier Transform

Published on 11 Apr 2026 - 14:39

score 70 · Answer 11 · 2026-03-25 23:36:22

70

Views

Discrete time Fourier transform (DTFT)

Published on 25 Mar 2026 - 23:36

score 43 · Answer 12 · 2026-04-12 22:33:38

43

Views

Proving a relation between Fourier coefficients and the number $n$ of the partitions of a function on an interval

Published on 12 Apr 2026 - 22:33

score 52 · Answer 13 · 2026-04-11 02:13:26

52

Views

Norm of Fourier Sum Operator at 0 with continuous functions as domain

Published on 11 Apr 2026 - 2:13

score 125 · Answer 14 · 2026-04-14 09:52:10

125

Views

Why is a Fourier series expansion not always equal to the function being expanded?

Published on 14 Apr 2026 - 9:52

score 142 · Answer 15 · 2026-04-11 23:20:31

142

Views

Reversed Hausdorff–Young inequality?

Published on 11 Apr 2026 - 23:20

List Question

What does $e^{\cos(D)}$ do?

Can one design fast non-Cartesian Fourier transforms sampled on a cartesian grid in several dimensions?

Relation between logartihm and sine integral function

Does $f$ belong to $L^2(\mathbb R)$?

Completeness of $\delta_n = e_n + e_{n+1}$ with $e_n$ a complex exponential

Integral expression involving Bernoulli polynomial that allows to sum a trigonometric integral series.

Question on substitution when forming a Fourier series of a function

Apparent loss of information in fourier transform

Can we bound $\sum_{i=1}^ke^{-{\rm i}2\pi\langle\omega,\:x_i\rangle}$ by $\sum_{i=1}^ke^{-{\rm i}2\pi\langle\omega,\:x_i\rangle}\hat g(a_i\omega)$?

A Question Regarding the Construction of Fourier Transform

Discrete time Fourier transform (DTFT)

Proving a relation between Fourier coefficients and the number $n$ of the partitions of a function on an interval

Norm of Fourier Sum Operator at 0 with continuous functions as domain

Why is a Fourier series expansion not always equal to the function being expanded?

Reversed Hausdorff–Young inequality?

Trending Questions

Popular # Hahtags

Popular Questions