Question

How does this proof of finding a maximum value of a multi-variable function using Linear Algebra work?

score 74 · Answer 1 · 2026-03-29 07:22:27

74

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How does this proof of finding a maximum value of a multi-variable function using Linear Algebra work?

Published on 29 Mar 2026 - 7:22

score 106 · Answer 2 · 2019-12-11 19:40:12

106

Views

Find T* self-adjoint operator

Published on 11 Dec 2019 - 19:40

score 50 · Answer 3 · 2019-12-12 20:17:35

50

Views

Existence of an isometry in an arbitrary space

Published on 12 Dec 2019 - 20:17

score 69 · Answer 4 · 2026-03-28 09:57:13

69

Views

Find gradient of $\operatorname{tr} \left( B^{T}X^{T}A^{T}CXD \right)$

Published on 28 Mar 2026 - 9:57

score 133 · Answer 5 · 2019-12-15 11:08:31

133

Views

Prove that two norms are equivalents.

Published on 15 Dec 2019 - 11:08

score 19 · Answer 6 · 2019-12-15 20:56:59

19

Views

Show that $\phi:\mathbb{C}^2\times \mathbb{C}^2\longrightarrow \mathbb{C}$ is a scalar product if and only if $a,d>0$, $c=\bar{b}$ and $ad-|b|^2>0$

Published on 15 Dec 2019 - 20:56

score 42 · Answer 7 · 2026-03-29 04:41:42

42

Views

How general is the statement that "the gradient points in the direction of fastest increase"?

Published on 29 Mar 2026 - 4:41

score 209 · Answer 8 · 2026-03-25 19:09:54

209

Views

Application of Hahn-Banach and Riesz Representation Theorems on Inner Product Space of Continuously Differentiable Functions

Published on 25 Mar 2026 - 19:09

score 1.2k · Answer 9 · 2019-12-16 22:47:51

1.2k

Views

Understanding Spectral Theorem

Published on 16 Dec 2019 - 22:47

score 84 · Answer 10 · 2019-12-18 13:55:07

84

Views

"Definite" property : does that mean something "alone" or must be precedeed by "positive"

Published on 18 Dec 2019 - 13:55

score 404 · Answer 11 · 2026-03-25 17:38:17

404

Views

Relationship between Hadamard and Inner Product

Published on 25 Mar 2026 - 17:38

score 321 · Answer 12 · 2026-03-25 06:08:14

321

Views

Countable orthonormal basis of separable space

Published on 25 Mar 2026 - 6:08

score 133 · Answer 13 · 2026-03-26 18:56:33

133

Views

Inner product space and dual space

Published on 26 Mar 2026 - 18:56

score 32 · Answer 14 · 2019-12-20 10:09:49

32

Views

Positivity in a Hilbert Space

Published on 20 Dec 2019 - 10:09

score 115 · Answer 15 · 2026-03-26 22:58:24

115

Views

Existence of inner product over $\mathbb{Q}$ non-degenerate,without normalized orthogonal basis, anisotropic but not definite.

Published on 26 Mar 2026 - 22:58

List Question

How does this proof of finding a maximum value of a multi-variable function using Linear Algebra work?

Find T* self-adjoint operator

Existence of an isometry in an arbitrary space

Find gradient of $\operatorname{tr} \left( B^{T}X^{T}A^{T}CXD \right)$

Prove that two norms are equivalents.

Show that $\phi:\mathbb{C}^2\times \mathbb{C}^2\longrightarrow \mathbb{C}$ is a scalar product if and only if $a,d>0$, $c=\bar{b}$ and $ad-|b|^2>0$

How general is the statement that "the gradient points in the direction of fastest increase"?

Application of Hahn-Banach and Riesz Representation Theorems on Inner Product Space of Continuously Differentiable Functions

Understanding Spectral Theorem

"Definite" property : does that mean something "alone" or must be precedeed by "positive"

Relationship between Hadamard and Inner Product

Countable orthonormal basis of separable space

Inner product space and dual space

Positivity in a Hilbert Space

Existence of inner product over $\mathbb{Q}$ non-degenerate,without normalized orthogonal basis, anisotropic but not definite.

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