Question

Let $A(\theta)$ be a given function , where $\theta \in (0, 2\pi)$. Mark the correct statement below

score 510 · Answer 1 · 2026-03-29 15:54:42

510

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Let $A(\theta)$ be a given function , where $\theta \in (0, 2\pi)$. Mark the correct statement below

Published on 29 Mar 2026 - 15:54

score 1.3k · Answer 2 · 2017-11-12 22:44:37

1.3k

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Closure of the span of orthonormal bases over Hilbert spaces

Published on 12 Nov 2017 - 22:44

score 50 · Answer 3 · 2026-03-29 12:11:53

50

Views

How to find out the integral of the following problem?

Published on 29 Mar 2026 - 12:11

score 1.2k · Answer 4 · 2017-11-15 00:00:51

1.2k

Views

$(e_{n})$ orthonormal basis, $(f_{n})$ orthonormal sequence such that $\sum\left\|e_{n}-f_{n}\right\|^{2}<\infty$ Then $(f_{n})$ is orthonormal basis.

Published on 15 Nov 2017 - 0:00

score 254 · Answer 5 · 2017-11-15 22:58:02

254

Views

If $H$ Hilbert space, $T\in L(H)$, $(z_{n})\subset H$ orthonormal, $y\in T(H)$. Show under some conditions that $\sum|\langle y,z_{n}\rangle|<\infty$

Published on 15 Nov 2017 - 22:58

score 41 · Answer 6 · 2017-11-16 04:20:36

41

Views

Proof involving inner products and norms

Published on 16 Nov 2017 - 4:20

score 204 · Answer 7 · 2017-11-21 21:04:20

204

Views

Find an orthonormal set of three eigenvectors

Published on 21 Nov 2017 - 21:04

score 28 · Answer 8 · 2017-11-22 22:01:07

28

Views

Show a set is othonormal in $L^2([a, a + T])$ - norm of a function composition?

Published on 22 Nov 2017 - 22:01

score 44 · Answer 9 · 2017-11-24 16:30:38

44

Views

How to show if these functions are a complete set?

Published on 24 Nov 2017 - 16:30

score 65 · Answer 10 · 2026-03-29 16:00:01

65

Views

Doubts on obtaining orthonormal basis

Published on 29 Mar 2026 - 16:00

score 1.7k · Answer 11 · 2017-11-25 23:40:14

1.7k

Views

Why must we have an orthonormal basis of a subspace to calculate a projection?

Published on 25 Nov 2017 - 23:40

score 107 · Answer 12 · 2026-03-26 07:57:31

107

Views

Orthonormal basis for continuous wavelet transformation

Published on 26 Mar 2026 - 7:57

score 243 · Answer 13 · 2017-11-27 16:46:10

243

Views

Conceptual question about Fourier series to solve PDE with variable coefficients

Published on 27 Nov 2017 - 16:46

score 72 · Answer 14 · 2026-03-26 09:39:47

72

Views

Tiling by Translation and Orthonormal Basis

Published on 26 Mar 2026 - 9:39

score 116 · Answer 15 · 2017-11-29 07:08:45

116

Views

Let be an endomorphism where is a finite dimensional inner product space If in some orthonormal basis of V mus be unitary?

Published on 29 Nov 2017 - 7:08

List Question

Let $A(\theta)$ be a given function , where $\theta \in (0, 2\pi)$. Mark the correct statement below

Closure of the span of orthonormal bases over Hilbert spaces

How to find out the integral of the following problem?

$(e_{n})$ orthonormal basis, $(f_{n})$ orthonormal sequence such that $\sum\left\|e_{n}-f_{n}\right\|^{2}<\infty$ Then $(f_{n})$ is orthonormal basis.

If $H$ Hilbert space, $T\in L(H)$, $(z_{n})\subset H$ orthonormal, $y\in T(H)$. Show under some conditions that $\sum|\langle y,z_{n}\rangle|<\infty$

Proof involving inner products and norms

Find an orthonormal set of three eigenvectors

Show a set is othonormal in $L^2([a, a + T])$ - norm of a function composition?

How to show if these functions are a complete set?

Doubts on obtaining orthonormal basis

Why must we have an orthonormal basis of a subspace to calculate a projection?

Orthonormal basis for continuous wavelet transformation

Conceptual question about Fourier series to solve PDE with variable coefficients

Tiling by Translation and Orthonormal Basis

Let be an endomorphism where is a finite dimensional inner product space If in some orthonormal basis of V mus be unitary?

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