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How do I find the diagonal matrix of this general matrix

score 58 · Answer 1 · 2026-04-12 22:54:25

58

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How do I find the diagonal matrix of this general matrix

Published on 12 Apr 2026 - 22:54

score 142 · Answer 2 · 2026-04-10 16:12:32

142

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Eigenvalues of a complex $4 \times 4$ Matrix

Published on 10 Apr 2026 - 16:12

score 87 · Answer 3 · 2026-04-16 07:09:47

87

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How is this algebra derived?

Published on 16 Apr 2026 - 7:09

score 105 · Answer 4 · 2026-04-15 13:57:26

105

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Let $\alpha_k=1,2,...,10$ be the roots of the unity of order 11, $\alpha_k \neq 1$.

Published on 15 Apr 2026 - 13:57

score 141 · Answer 5 · 2026-04-14 17:26:45

141

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Prove that a sequilinear form is an Hermitian product

Published on 14 Apr 2026 - 17:26

score 68 · Answer 6 · 2026-04-11 23:06:54

68

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Prove that there is no function $m: \mathbb R^3 \times \mathbb R^3 \to \mathbb R^3$ so that the following conditions apply

Published on 11 Apr 2026 - 23:06

score 44 · Answer 7 · 2026-04-15 03:57:17

44

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If $A : X' \rightarrow X$ and $k$ is a kernel on X, then $k$' defined by $k'(x,y) = k(A(x), A(y))$ is a kernel on $X'$ - proof help

Published on 15 Apr 2026 - 3:57

score 75 · Answer 8 · 2026-04-13 20:57:48

75

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Problem in finding out number of real roots of polynomial

Published on 13 Apr 2026 - 20:57

score 1k · Answer 9 · 2026-04-12 23:19:51

1k

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How to I go from parametric equation of 3d line to vector form?

Published on 12 Apr 2026 - 23:19

score 2.4k · Answer 10 · 2026-04-13 00:42:53

2.4k

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What is the intuitive interpretation of the transpose compared to the inverse?

Published on 13 Apr 2026 - 0:42

score 168 · Answer 11 · 2026-04-11 07:35:40

168

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Bounds on trace of product of hermitian matrices.

Published on 11 Apr 2026 - 7:35

score 65 · Answer 12 · 2026-04-13 21:48:53

65

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Conic bundle: find the locus of the centers

Published on 13 Apr 2026 - 21:48

score 35 · Answer 13 · 2026-04-10 20:23:03

35

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Is my proof about diagonalization of a operator right?

Published on 10 Apr 2026 - 20:23

score 164 · Answer 14 · 2026-04-17 03:47:26

Prove the equality: $\det\left[\begin{smallmatrix} -2a &a+b &a+c \\ b+a&-2b &b+c \\ c+a&c+b &-2c \end{smallmatrix}\right] = 4(a+b)(b+c)(c+a)$

score 574 · Answer 15 · 2026-04-14 08:58:16

574

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Invertible matrix of inner product values

Published on 14 Apr 2026 - 8:58

List Question

How do I find the diagonal matrix of this general matrix

Eigenvalues of a complex $4 \times 4$ Matrix

How is this algebra derived?

Let $\alpha_k=1,2,...,10$ be the roots of the unity of order 11, $\alpha_k \neq 1$.

Prove that a sequilinear form is an Hermitian product

Prove that there is no function $m: \mathbb R^3 \times \mathbb R^3 \to \mathbb R^3$ so that the following conditions apply

If $A : X' \rightarrow X$ and $k$ is a kernel on X, then $k$' defined by $k'(x,y) = k(A(x), A(y))$ is a kernel on $X'$ - proof help

Problem in finding out number of real roots of polynomial

How to I go from parametric equation of 3d line to vector form?

What is the intuitive interpretation of the transpose compared to the inverse?

Bounds on trace of product of hermitian matrices.

Conic bundle: find the locus of the centers

Is my proof about diagonalization of a operator right?

Prove the equality: $\det\left[\begin{smallmatrix} -2a &a+b &a+c \\ b+a&-2b &b+c \\ c+a&c+b &-2c \end{smallmatrix}\right] = 4(a+b)(b+c)(c+a)$

Invertible matrix of inner product values

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