List questions from matrix-equations

Published on 14 Apr 2026 - 5:42

146

Views

If A^T b lies in the column space of A^ then should b not also lie in the column space of A? With application to least squares.

Published on 13 Apr 2026 - 14:31

76

Views

Feasibility problem for set of linear equations

Published on 11 Apr 2026 - 2:47

601

Views

Proving for an $n\times n$ matrix $A$ there exists some polynomial $p(x)$ such that $p(A) = 0$

Published on 16 Apr 2026 - 14:42

100

Views

Rank of a matrix vs Dimensions of solution

Published on 15 Apr 2026 - 18:21

67

Views

True or False? There is a non-invertible matrix $B$ such that $B^4- I_4 - B^2=0.$

Published on 17 Apr 2026 - 1:43

48

Views

Solution of $Ax\leq b$ implies the existence of solution of $AA^Ty\leq b$.

Published on 10 Apr 2026 - 8:59

56

Views

If A is a positive matrix . Then how do we show that $e^{At}\geq 0$.

Published on 23 Apr 2026 - 2:10

110

Views

Find two matrices A and B containing at max three zeros each such that rank(A)=rank(B)=rank(AB)=rank(BA)+1=2

Published on 17 Apr 2026 - 15:15

60

Views

Determining if functions are "Completely Additive"

Published on 17 Apr 2026 - 0:29

53

Views

Solving this matrix equation

Published on 12 Apr 2026 - 4:09

1.5k

Views

Echelon form of a Matrix, Rank, and Number of solution

Published on 15 Apr 2026 - 3:03

61

Views

SVD decomposition of orthonormal matrix Issue

Published on 14 Apr 2026 - 14:24

35

Views

Issue with a matrices equivalence

Published on 11 Apr 2026 - 4:36

60

Views

Solve $A\mathbf{x}=\mathbf{v}(\mathbf{x}^TD\mathbf{v})$ for $A$

Published on 13 Apr 2026 - 8:47

List Question

Roots of a matrix equation

If A^T b lies in the column space of A^ then should b not also lie in the column space of A? With application to least squares.

Feasibility problem for set of linear equations

Proving for an $n\times n$ matrix $A$ there exists some polynomial $p(x)$ such that $p(A) = 0$

Rank of a matrix vs Dimensions of solution

True or False? There is a non-invertible matrix $B$ such that $B^4- I_4 - B^2=0.$

Solution of $Ax\leq b$ implies the existence of solution of $AA^Ty\leq b$.

If A is a positive matrix . Then how do we show that $e^{At}\geq 0$.

Find two matrices A and B containing at max three zeros each such that rank(A)=rank(B)=rank(AB)=rank(BA)+1=2

Determining if functions are "Completely Additive"

Solving this matrix equation

Echelon form of a Matrix, Rank, and Number of solution

SVD decomposition of orthonormal matrix Issue

Issue with a matrices equivalence

Solve $A\mathbf{x}=\mathbf{v}(\mathbf{x}^TD\mathbf{v})$ for $A$

Trending Questions

Popular # Hahtags

Popular Questions