Question

Prove that $\dim \operatorname{Nul}(A^t)=0$ and hence that $A$ has rank $m.$

score 331 · Answer 1 · 2020-08-22 07:35:50

331

Views

Prove that $\dim \operatorname{Nul}(A^t)=0$ and hence that $A$ has rank $m.$

Published on 22 Aug 2020 - 7:35

score 99 · Answer 2 · 2020-09-08 05:41:10

99

Views

Putting Gradient of a quadratic expression equal to zero and getting vector subtraction from a scalar

Published on 08 Sep 2020 - 5:41

score 803 · Answer 3 · 2020-09-08 07:32:23

803

Views

Jacobian transpose times a vector

Published on 08 Sep 2020 - 7:32

score 67 · Answer 4 · 2020-09-10 14:11:11

67

Views

Does the common matrix expression $A \cdot B \cdot A'$ have a name?

Published on 10 Sep 2020 - 14:11

score 732 · Answer 5 · 2020-09-15 14:10:57

732

Views

What does this notation $J = 11^T ∈ M_n(R)$ mean?

Published on 15 Sep 2020 - 14:10

score 294 · Answer 6 · 2020-09-21 13:20:09

294

Views

Fractional matrix transpose operator

Published on 21 Sep 2020 - 13:20

score 94 · Answer 7 · 2020-09-22 11:04:28

94

Views

Matrix multiplied by its transpose, when X is in M2(R), and X has columns u and v, what is the basis of X in terms of uu, vv and u*v?

Published on 22 Sep 2020 - 11:04

score 958 · Answer 8 · 2020-09-26 16:27:39

958

Views

When does this matrix have one solution, no solution, or infinitely many solutions?

Published on 26 Sep 2020 - 16:27

score 3.9k · Answer 9 · 2020-09-29 03:15:06

3.9k

Views

Prove that rank(A) = rank(transpose of A)

Published on 29 Sep 2020 - 3:15

score 64 · Answer 10 · 2020-10-03 05:19:57

64

Views

Why does this happen: $(v^TA^T)^T\ne vA$

Published on 03 Oct 2020 - 5:19

score 55 · Answer 11 · 2026-02-23 12:17:40

55

Views

Can a tensor's indices be flipped arbitrarily?

Published on 23 Feb 2026 - 12:17

score 34 · Answer 12 · 2020-10-04 12:53:05

34

Views

Confusion with definition of transposed matrix using indexed familiy

Published on 04 Oct 2020 - 12:53

score 148 · Answer 13 · 2020-10-06 09:01:29

148

Views

Proving $\mathrm{Rank}A^TA\neq \mathrm{Rank}AA^T$

Published on 06 Oct 2020 - 9:01

score 183 · Answer 14 · 2020-10-09 00:40:58

183

Views

Transpose of derivative operator acting on Dirac delta

Published on 09 Oct 2020 - 0:40

score 212 · Answer 15 · 2020-10-20 09:41:38

212

Views

Intuition behind $x^T A x$

Published on 20 Oct 2020 - 9:41

List Question

Prove that $\dim \operatorname{Nul}(A^t)=0$ and hence that $A$ has rank $m.$

Putting Gradient of a quadratic expression equal to zero and getting vector subtraction from a scalar

Jacobian transpose times a vector

Does the common matrix expression $A \cdot B \cdot A'$ have a name?

What does this notation $J = 11^T ∈ M_n(R)$ mean?

Fractional matrix transpose operator

Matrix multiplied by its transpose, when X is in M2(R), and X has columns u and v, what is the basis of X in terms of uu, vv and u*v?

When does this matrix have one solution, no solution, or infinitely many solutions?

Prove that rank(A) = rank(transpose of A)

Why does this happen: $(v^TA^T)^T\ne vA$

Can a tensor's indices be flipped arbitrarily?

Confusion with definition of transposed matrix using indexed familiy

Proving $\mathrm{Rank}A^TA\neq \mathrm{Rank}AA^T$

Transpose of derivative operator acting on Dirac delta

Intuition behind $x^T A x$

Trending Questions

Popular # Hahtags

Popular Questions