Question

Composition of linear mappings is $0$ if and only if $ \operatorname{im}(g) \subseteq \ker(h)$

score 103 · Answer 1 · 2019-05-05 10:02:00

103

Views

Composition of linear mappings is $0$ if and only if $ \operatorname{im}(g) \subseteq \ker(h)$

Published on 05 May 2019 - 10:02

score 625 · Answer 2 · 2026-04-06 05:54:31

625

Views

Is $T : V → V$ not an isomorphism if T doesn't have eigenvalues?

Published on 06 Apr 2026 - 5:54

score 155 · Answer 3 · 2019-05-05 10:55:38

155

Views

Why this basis make the matrix with respect to this basis diagonal for the given linear transformation?

Published on 05 May 2019 - 10:55

score 72 · Answer 4 · 2026-03-25 19:00:07

72

Views

Method to find eigenfunctions?

Published on 25 Mar 2026 - 19:00

score 2.8k · Answer 5 · 2019-05-05 12:29:32

2.8k

Views

Do the pivot columns of a matrix in reduced row echelon form form a basis for the column space of the matrix?

Published on 05 May 2019 - 12:29

score 5k · Answer 6 · 2019-05-05 16:31:51

5k

Views

Find the image of the line under the linear transformation.

Published on 05 May 2019 - 16:31

score 61 · Answer 7 · 2019-05-05 20:13:50

61

Views

Why to choose to work with a functional instead of a function?

Published on 05 May 2019 - 20:13

score 34 · Answer 8 · 2026-03-25 15:51:53

34

Views

Conditions for a Function $T\colon\mathbb{R}^{n\times n}\rightarrow \mathbb{R}^{n\times n}$ to Drop Rank

Published on 25 Mar 2026 - 15:51

score 487 · Answer 9 · 2026-04-06 05:52:12

487

Views

What's the motivation behind Generalised Eigenvectors?

Published on 06 Apr 2026 - 5:52

score 2.4k · Answer 10 · 2019-05-08 07:10:22

2.4k

Views

If $T:\mathbb{R}^{n}\rightarrow\mathbb{R}^{m}$ such that $T(0)=0$, then $T$ is always a linear transformation.

Published on 08 May 2019 - 7:10

score 55 · Answer 11 · 2019-05-08 18:55:22

55

Views

Is this transformation defined on a basis is a linear map?

Published on 08 May 2019 - 18:55

score 610 · Answer 12 · 2026-03-29 09:18:50

610

Views

Show invariance under linear transformation

Published on 29 Mar 2026 - 9:18

score 420 · Answer 13 · 2019-05-09 00:03:01

420

Views

What is the dimension of image $T(p)(x)=p(x+1)-p(x)$?

Published on 09 May 2019 - 0:03

score 44 · Answer 14 · 2019-05-09 04:34:08

44

Views

Supoose $A$ is semisimple, $f_A:\;X\to XA-AX,\;\forall X\in GL_n(\mathbb{F})$, $f_A$ is semisimple too.

Published on 09 May 2019 - 4:34

score 61 · Answer 15 · 2026-03-28 15:19:08

61

Views

Deciphering a problem - calculus; maps

Published on 28 Mar 2026 - 15:19

List Question

Composition of linear mappings is $0$ if and only if $ \operatorname{im}(g) \subseteq \ker(h)$

Is $T : V → V$ not an isomorphism if T doesn't have eigenvalues?

Why this basis make the matrix with respect to this basis diagonal for the given linear transformation?

Method to find eigenfunctions?

Do the pivot columns of a matrix in reduced row echelon form form a basis for the column space of the matrix?

Find the image of the line under the linear transformation.

Why to choose to work with a functional instead of a function?

Conditions for a Function $T\colon\mathbb{R}^{n\times n}\rightarrow \mathbb{R}^{n\times n}$ to Drop Rank

What's the motivation behind Generalised Eigenvectors?

If $T:\mathbb{R}^{n}\rightarrow\mathbb{R}^{m}$ such that $T(0)=0$, then $T$ is always a linear transformation.

Is this transformation defined on a basis is a linear map?

Show invariance under linear transformation

What is the dimension of image $T(p)(x)=p(x+1)-p(x)$?

Supoose $A$ is semisimple, $f_A:\;X\to XA-AX,\;\forall X\in GL_n(\mathbb{F})$, $f_A$ is semisimple too.

Deciphering a problem - calculus; maps

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