Question

solve matrix equations with ^(-1)

score 36 · Answer 1 · 2026-04-11 19:40:15

36

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solve matrix equations with ^(-1)

Published on 11 Apr 2026 - 19:40

score 150 · Answer 2 · 2026-04-09 11:42:03

150

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How to change coordinate system from one plane to another?

Published on 09 Apr 2026 - 11:42

score 95 · Answer 3 · 2026-04-10 21:05:47

95

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How can I manipulate the way matrices multiply/divide to make their shapes match?

Published on 10 Apr 2026 - 21:05

score 77 · Answer 4 · 2026-04-09 01:31:31

77

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How to approach solving a matrix equation in $M_{n}(R)$?

Published on 09 Apr 2026 - 1:31

score 144 · Answer 5 · 2026-04-15 05:43:12

144

Views

QR decomposition of submatrix

Published on 15 Apr 2026 - 5:43

score 56 · Answer 6 · 2026-04-15 09:53:27

56

Views

Meaning of left multiplying a matrix A with another B and then right multiply the result with a transposed B?

Published on 15 Apr 2026 - 9:53

score 126 · Answer 7 · 2026-04-13 01:45:48

126

Views

Solve for the Vandermonde matrix in $V^\top a = b$

Published on 13 Apr 2026 - 1:45

score 56 · Answer 8 · 2026-04-29 15:20:18

56

Views

Can we recover a vector from one element of resulted vector after multiplication?

Published on 29 Apr 2026 - 15:20

score 151 · Answer 9 · 2026-04-09 12:42:34

151

Views

How to avoid a zero determinant matrix in a system of linear equation

Published on 09 Apr 2026 - 12:42

score 110 · Answer 10 · 2026-04-16 22:51:06

110

Views

Find all matrix X such that $X^2 = \left[ {\begin{array}{} 1 & 0 & 1\\ 0 & 4 & 2\\ 0 & 0 & 16 \end{array}} \right]$

Published on 16 Apr 2026 - 22:51

score 175 · Answer 11 · 2026-04-16 21:21:18

Suppose there exists some $\vec{b}$ such that $A\vec{x} = \vec{b}$ is unsolvable. Does there exist a $\vec{z}$ such that $A\vec{x} = \vec{z}$?

score 96 · Answer 12 · 2026-04-15 11:37:58

96

Views

For what $\beta$ does the geometric series $I + A + A^2 + A^3 + \cdots$ converge to $(I-A)^{-1}$

Published on 15 Apr 2026 - 11:37

score 109 · Answer 13 · 2026-04-14 03:33:46

109

Views

Solving equation $A_1XB_1 = A_2XB_2$ on $X$ subject to constraint on $X$

Published on 14 Apr 2026 - 3:33

score 161 · Answer 14 · 2026-04-11 20:14:59

161

Views

How to solve $AX-XA=C\circ X$ in closed form

Published on 11 Apr 2026 - 20:14

score 141 · Answer 15 · 2026-04-17 06:24:45

141

Views

Find $A$ such that $ABA = b A$, for every $B \in \mathbb {M}_n \ (\mathbb{C})$

Published on 17 Apr 2026 - 6:24

List Question

solve matrix equations with ^(-1)

How to change coordinate system from one plane to another?

How can I manipulate the way matrices multiply/divide to make their shapes match?

How to approach solving a matrix equation in $M_{n}(R)$?

QR decomposition of submatrix

Meaning of left multiplying a matrix A with another B and then right multiply the result with a transposed B?

Solve for the Vandermonde matrix in $V^\top a = b$

Can we recover a vector from one element of resulted vector after multiplication?

How to avoid a zero determinant matrix in a system of linear equation

Find all matrix X such that $X^2 = \left[ {\begin{array}{} 1 & 0 & 1\\ 0 & 4 & 2\\ 0 & 0 & 16 \end{array}} \right]$

Suppose there exists some $\vec{b}$ such that $A\vec{x} = \vec{b}$ is unsolvable. Does there exist a $\vec{z}$ such that $A\vec{x} = \vec{z}$?

For what $\beta$ does the geometric series $I + A + A^2 + A^3 + \cdots$ converge to $(I-A)^{-1}$

Solving equation $A_1XB_1 = A_2XB_2$ on $X$ subject to constraint on $X$

How to solve $AX-XA=C\circ X$ in closed form

Find $A$ such that $ABA = b A$, for every $B \in \mathbb {M}_n \ (\mathbb{C})$

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