Question

Conditions of a set of vectors, so that a specific linear map is injective/surjective

score 30 · Answer 1 · 2019-01-20 10:55:42

30

Views

Conditions of a set of vectors, so that a specific linear map is injective/surjective

Published on 20 Jan 2019 - 10:55

score 127 · Answer 2 · 2019-01-20 18:07:36

127

Views

Find the formula of the linear transformation

Published on 20 Jan 2019 - 18:07

score 266 · Answer 3 · 2019-01-20 22:43:11

266

Views

Finding Inverse Fourier transform: Without integrating

Published on 20 Jan 2019 - 22:43

score 63 · Answer 4 · 2026-03-25 21:54:15

63

Views

Finding characteristic and minimal polynomials and the Jordan normal form of $f$, knowing some relations for $f$.

Published on 25 Mar 2026 - 21:54

score 1.2k · Answer 5 · 2019-01-21 03:06:50

1.2k

Views

About a problem of linear transformation $ ST-TS=I $

Published on 21 Jan 2019 - 3:06

score 39 · Answer 6 · 2019-01-21 06:56:34

39

Views

Let $E=[1,2,...n]$ where $n$ is an odd integer.

Published on 21 Jan 2019 - 6:56

score 1.9k · Answer 7 · 2026-03-24 22:14:08

1.9k

Views

Given Tait–Bryan angles $ x-y'-z^{''} $ (intrinsic), how can i get Tait–Bryan angles $ z-y'-x^{''} $ (intrinsic)?

Published on 24 Mar 2026 - 22:14

score 617 · Answer 8 · 2026-03-29 16:02:46

617

Views

If $\omega$ is non real cube roots of unity , then the eigenvalues of the matrix

Published on 29 Mar 2026 - 16:02

score 95 · Answer 9 · 2019-01-21 12:32:13

95

Views

why is $ \{(0,x,z)|x,z\in R\}$ is a two dimensional subspace space of $R^{3}$ over $R$ but $\{(0,0,z)|z\in R\} $ $\cup$ $\{(0,x,0)|x\in R\}$ is not?

Published on 21 Jan 2019 - 12:32

score 46 · Answer 10 · 2026-04-03 07:27:24

46

Views

Can you find the z component in this system?

Published on 03 Apr 2026 - 7:27

score 1.6k · Answer 11 · 2019-01-21 18:30:28

1.6k

Views

Geometric justification of a rotation matrix

Published on 21 Jan 2019 - 18:30

score 436 · Answer 12 · 2026-03-27 03:59:59

436

Views

Given a matrix A such that $a_{ij} = \frac{1}{i + j - 1}$, prove that A is invertible and that $A^{-1}$ has all integer entries.

Published on 27 Mar 2026 - 3:59

score 181 · Answer 13 · 2026-03-25 21:51:08

181

Views

Finding ch. polynomial and Jordan normal form of $f$ knowing $\dim\ker f=2$ and there are $a,b$ not in $\ker f$ such that $f^2(a)=0, f(b)=b$

Published on 25 Mar 2026 - 21:51

score 56 · Answer 14 · 2019-01-22 09:16:30

56

Views

rank of the matrix product

Published on 22 Jan 2019 - 9:16

score 62 · Answer 15 · 2019-01-22 10:10:15

62

Views

equation of the sphere

Published on 22 Jan 2019 - 10:10

List Question

Conditions of a set of vectors, so that a specific linear map is injective/surjective

Find the formula of the linear transformation

Finding Inverse Fourier transform: Without integrating

Finding characteristic and minimal polynomials and the Jordan normal form of $f$, knowing some relations for $f$.

About a problem of linear transformation $ ST-TS=I $

Let $E=[1,2,...n]$ where $n$ is an odd integer.

Given Tait–Bryan angles $ x-y'-z^{''} $ (intrinsic), how can i get Tait–Bryan angles $ z-y'-x^{''} $ (intrinsic)?

If $\omega$ is non real cube roots of unity , then the eigenvalues of the matrix

why is $ \{(0,x,z)|x,z\in R\}$ is a two dimensional subspace space of $R^{3}$ over $R$ but $\{(0,0,z)|z\in R\} $ $\cup$ $\{(0,x,0)|x\in R\}$ is not?

Can you find the z component in this system?

Geometric justification of a rotation matrix

Given a matrix A such that $a_{ij} = \frac{1}{i + j - 1}$, prove that A is invertible and that $A^{-1}$ has all integer entries.

Finding ch. polynomial and Jordan normal form of $f$ knowing $\dim\ker f=2$ and there are $a,b$ not in $\ker f$ such that $f^2(a)=0, f(b)=b$

rank of the matrix product

equation of the sphere

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