Question

Proving every 2 × 3 linear system can be put into RREF by a series of row operations

score 28 · Answer 1 · 2018-03-07 15:59:40

28

Views

Proving every 2 × 3 linear system can be put into RREF by a series of row operations

Published on 07 Mar 2018 - 15:59

score 250 · Answer 2 · 2018-03-07 16:00:01

250

Views

projection a point into a subspace whose does not have orthonormal basis

Published on 07 Mar 2018 - 16:00

score 19 · Answer 3 · 2026-03-26 14:19:16

19

Views

A criterion for determining co-sets in finite dimensional real vector spaces

Published on 26 Mar 2026 - 14:19

score 164 · Answer 4 · 2018-03-07 17:20:20

164

Views

Show that the mapping $I(f)(x) = \int_2^x f(t)dt$ is a linear transformation.

Published on 07 Mar 2018 - 17:20

score 147 · Answer 5 · 2018-03-07 18:17:50

147

Views

Basis for a Linear Transformation in a non-standard Coordinate System

Published on 07 Mar 2018 - 18:17

score 1.3k · Answer 6 · 2018-03-07 19:09:40

1.3k

Views

Find values of $k$ where $A$ is diagonalizable

Published on 07 Mar 2018 - 19:09

score 59 · Answer 7 · 2026-03-25 01:20:29

59

Views

Building matrix so that the inner product of columns results in an element of another matrix

Published on 25 Mar 2026 - 1:20

score 166 · Answer 8 · 2018-03-07 20:53:50

166

Views

Is there a symmetric positive definite matrix $P$ such that $PA$ is diagonal?

Published on 07 Mar 2018 - 20:53

score 693 · Answer 9 · 2026-04-04 01:55:52

693

Views

Are 2x2 matrices on a Euclidean domain a Euclidean domain?

Published on 04 Apr 2026 - 1:55

score 3.3k · Answer 10 · 2026-04-02 02:51:42

3.3k

Views

proving the determinant of a product of matrices is the product of their determinants in suffix / index notation

Published on 02 Apr 2026 - 2:51

score 1.6k · Answer 11 · 2026-03-25 09:38:44

1.6k

Views

Find a basis for all vectors perpendicular to $x-2y+3z=0$.

Published on 25 Mar 2026 - 9:38

score 2.1k · Answer 12 · 2018-03-07 23:19:47

2.1k

Views

Prove that if $U$ and $W$ are 3-dimensional subspaces of $\mathbb{R}^5$ then $U ∩ W$ is non-trivial

Published on 07 Mar 2018 - 23:19

score 469 · Answer 13 · 2026-03-26 14:23:03

469

Views

What is the dimension of the set of matrices with a given set of eigenvectors?

Published on 26 Mar 2026 - 14:23

score 77 · Answer 14 · 2018-03-07 23:27:14

77

Views

Anticommuting matrices in $\mathrm{SU}(2)$ up to conjugation?

Published on 07 Mar 2018 - 23:27

score 184 · Answer 15 · 2026-03-29 03:36:22

184

Views

Do polynomials $a(x), b(x) \in R[x]$ and $c(y), d(y) \in R[y]$ exist such that $1+xy+x^2 y^2 = a(x)c(y) + b(x)d(y)$?

Published on 29 Mar 2026 - 3:36

List Question

Proving every 2 × 3 linear system can be put into RREF by a series of row operations

projection a point into a subspace whose does not have orthonormal basis

A criterion for determining co-sets in finite dimensional real vector spaces

Show that the mapping $I(f)(x) = \int_2^x f(t)dt$ is a linear transformation.

Basis for a Linear Transformation in a non-standard Coordinate System

Find values of $k$ where $A$ is diagonalizable

Building matrix so that the inner product of columns results in an element of another matrix

Is there a symmetric positive definite matrix $P$ such that $PA$ is diagonal?

Are 2x2 matrices on a Euclidean domain a Euclidean domain?

proving the determinant of a product of matrices is the product of their determinants in suffix / index notation

Find a basis for all vectors perpendicular to $x-2y+3z=0$.

Prove that if $U$ and $W$ are 3-dimensional subspaces of $\mathbb{R}^5$ then $U ∩ W$ is non-trivial

What is the dimension of the set of matrices with a given set of eigenvectors?

Anticommuting matrices in $\mathrm{SU}(2)$ up to conjugation?

Do polynomials $a(x), b(x) \in R[x]$ and $c(y), d(y) \in R[y]$ exist such that $1+xy+x^2 y^2 = a(x)c(y) + b(x)d(y)$?

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