Question

Relation between a complex eigenvalue and its conjugate?

score 40 · Answer 1 · 2026-03-25 23:51:02

40

Views

Relation between a complex eigenvalue and its conjugate?

Published on 25 Mar 2026 - 23:51

score 64 · Answer 2 · 2026-03-22 16:36:44

64

Views

Using Gram-Schmidt on a basis proof

Published on 22 Mar 2026 - 16:36

score 92 · Answer 3 · 2019-11-13 05:56:41

92

Views

Max length of elementwise product of orthonormal vectors in R^n

Published on 13 Nov 2019 - 5:56

score 39 · Answer 4 · 2019-11-13 10:30:22

39

Views

If $\exists x_i,y_i \in C^n $ such that $A=\sum_{i=1}^{k}x_i y_i^$ where $^$ is conjugate transpose. Then what can be said about rank of $A$?

Published on 13 Nov 2019 - 10:30

score 296 · Answer 5 · 2026-03-26 17:43:37

296

Views

Characterising all normal matrices in $M_2(\mathbb R)$

Published on 26 Mar 2026 - 17:43

score 48 · Answer 6 · 2019-11-16 05:11:31

48

Views

Orthgonality of $\sin(\frac{k\pi x}{L})\cos(\frac{n\pi x}{L})$ over the half period $x\in[0,L]$

Published on 16 Nov 2019 - 5:11

score 78 · Answer 7 · 2019-11-16 12:39:40

78

Views

Orthogonality, closure and direct sum of subspaces in Hilbert Spaces

Published on 16 Nov 2019 - 12:39

score 32 · Answer 8 · 2019-11-16 22:10:52

32

Views

Find the operator P(x,y,z)

Published on 16 Nov 2019 - 22:10

score 23 · Answer 9 · 2019-11-17 04:51:04

23

Views

Vanishing terms in Sumation of an orthoganl integral

Published on 17 Nov 2019 - 4:51

score 56 · Answer 10 · 2019-11-18 01:06:42

56

Views

Can $A \cdot \vec{x}=\vec{b}$ be re-written as $\vec{x}=A^T \cdot \vec{b}$?

Published on 18 Nov 2019 - 1:06

score 1.5k · Answer 11 · 2026-03-26 19:18:58

1.5k

Views

Find an Orthonormal Basis for the Orthogonal Complement of a set of Vectors

Published on 26 Mar 2026 - 19:18

score 130 · Answer 12 · 2026-03-26 19:00:55

130

Views

Where am I going wrong in calculating the projection of a vector onto a subspace?

Published on 26 Mar 2026 - 19:00

score 88 · Answer 13 · 2019-11-21 21:09:52

88

Views

Scalar product of a vector $x$ with a class of vectors equals zero implies that $x=0$?

Published on 21 Nov 2019 - 21:09

score 227 · Answer 14 · 2019-11-21 21:17:02

227

Views

Polar decomposition has unitary operator implies kernel of adjoint is trivial.

Published on 21 Nov 2019 - 21:17

score 32 · Answer 15 · 2019-11-22 20:49:53

32

Views

Find the remaining vector when a vector and crossproduct is known

Published on 22 Nov 2019 - 20:49

List Question

Relation between a complex eigenvalue and its conjugate?

Using Gram-Schmidt on a basis proof

Max length of elementwise product of orthonormal vectors in R^n

If $\exists x_i,y_i \in C^n $ such that $A=\sum_{i=1}^{k}x_i y_i^$ where $^$ is conjugate transpose. Then what can be said about rank of $A$?

Characterising all normal matrices in $M_2(\mathbb R)$

Orthgonality of $\sin(\frac{k\pi x}{L})\cos(\frac{n\pi x}{L})$ over the half period $x\in[0,L]$

Orthogonality, closure and direct sum of subspaces in Hilbert Spaces

Find the operator P(x,y,z)

Vanishing terms in Sumation of an orthoganl integral

Can $A \cdot \vec{x}=\vec{b}$ be re-written as $\vec{x}=A^T \cdot \vec{b}$?

Find an Orthonormal Basis for the Orthogonal Complement of a set of Vectors

Where am I going wrong in calculating the projection of a vector onto a subspace?

Scalar product of a vector $x$ with a class of vectors equals zero implies that $x=0$?

Polar decomposition has unitary operator implies kernel of adjoint is trivial.

Find the remaining vector when a vector and crossproduct is known

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