Question

If $\mathbf{A}_i=\lambda_i\mathbf{a}+\mu_i\mathbf{b}+\nu_i\mathbf{c}$, then $\mathbf{A}_1\cdot\left(\mathbf{A}_2\times\mathbf{A}_3\right)=$

score 62 · Answer 1 · 2026-04-16 09:55:52

62

Views

If $\mathbf{A}_i=\lambda_i\mathbf{a}+\mu_i\mathbf{b}+\nu_i\mathbf{c}$, then $\mathbf{A}_1\cdot\left(\mathbf{A}_2\times\mathbf{A}_3\right)=$

Published on 16 Apr 2026 - 9:55

score 45 · Answer 2 · 2026-04-14 10:01:41

45

Views

Determining a given set related to inner product on continuous function.

Published on 14 Apr 2026 - 10:01

score 462 · Answer 3 · 2026-04-11 11:25:35

462

Views

Trying to understand a simplified version of Mercer's Theorem

Published on 11 Apr 2026 - 11:25

score 65 · Answer 4 · 2026-04-13 11:44:23

65

Views

Best way to define an angle so as to prove the equivalence of the different formulas for the dot and cross product.

Published on 13 Apr 2026 - 11:44

score 51 · Answer 5 · 2026-04-16 03:42:19

51

Views

Can we conclude that $\langle x, y \rangle = 0\ $?

Published on 16 Apr 2026 - 3:42

score 169 · Answer 6 · 2026-04-15 23:19:13

169

Views

Find a $\bar v$ with $\|\bar v\|_\infty=\alpha$ such that $\langle u \, , \bar v \rangle = - \|u\|_1\|v\|_\infty = -\alpha\|u\|_1$

Published on 15 Apr 2026 - 23:19

score 34 · Answer 7 · 2026-04-14 02:23:29

34

Views

inner product on a space P

Published on 14 Apr 2026 - 2:23

score 81 · Answer 8 · 2026-04-13 23:23:00

81

Views

Is the orthogonal basis obtained for $A$ a basis for $B^{\bot}$ where $B$ is a subspace of $A$?

Published on 13 Apr 2026 - 23:23

score 81 · Answer 9 · 2026-04-09 04:20:52

81

Views

Is the inner product $f: H\times H \rightarrow \mathbb{C}$ for a Hilbert space, $H$, continuous?

Published on 09 Apr 2026 - 4:20

score 119 · Answer 10 · 2026-04-15 02:07:48

119

Views

Minimum distance using Frobenius Inner Product

Published on 15 Apr 2026 - 2:07

score 193 · Answer 11 · 2026-04-11 12:47:53

193

Views

Intuition behind conjugate symmetry axiom in inner product spaces

Published on 11 Apr 2026 - 12:47

score 114 · Answer 12 · 2026-04-10 02:25:53

114

Views

What is a $\langle , \rangle_{H}$? And how do you prove that it is an inner product?

Published on 10 Apr 2026 - 2:25

score 209 · Answer 13 · 2026-04-14 13:11:31

209

Views

Must every Chebyshev subset of a Hilbert space be convex?

Published on 14 Apr 2026 - 13:11

score 72 · Answer 14 · 2026-04-15 03:35:18

72

Views

Hilbert space with a “norm” that does not respect the triangle inequality? (attempt 2)

Published on 15 Apr 2026 - 3:35

score 44 · Answer 15 · 2026-04-14 00:10:57

44

Views

Orthogonality between derivative and integral of a periodic signal

Published on 14 Apr 2026 - 0:10

List Question

If $\mathbf{A}_i=\lambda_i\mathbf{a}+\mu_i\mathbf{b}+\nu_i\mathbf{c}$, then $\mathbf{A}_1\cdot\left(\mathbf{A}_2\times\mathbf{A}_3\right)=$

Determining a given set related to inner product on continuous function.

Trying to understand a simplified version of Mercer's Theorem

Best way to define an angle so as to prove the equivalence of the different formulas for the dot and cross product.

Can we conclude that $\langle x, y \rangle = 0\ $?

Find a $\bar v$ with $\|\bar v\|_\infty=\alpha$ such that $\langle u \, , \bar v \rangle = - \|u\|_1\|v\|_\infty = -\alpha\|u\|_1$

inner product on a space P

Is the orthogonal basis obtained for $A$ a basis for $B^{\bot}$ where $B$ is a subspace of $A$?

Is the inner product $f: H\times H \rightarrow \mathbb{C}$ for a Hilbert space, $H$, continuous?

Minimum distance using Frobenius Inner Product

Intuition behind conjugate symmetry axiom in inner product spaces

What is a $\langle , \rangle_{H}$? And how do you prove that it is an inner product?

Must every Chebyshev subset of a Hilbert space be convex?

Hilbert space with a “norm” that does not respect the triangle inequality? (attempt 2)

Orthogonality between derivative and integral of a periodic signal

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