Question

Show that the equation $X^2=J_n$has no solution if $n\geq2$, if $J_n$ is the jordan block of size $n$ with zeros on diagonal.

score 64 · Answer 1 · 2026-04-14 19:16:02

64

Views

Show that the equation $X^2=J_n$has no solution if $n\geq2$, if $J_n$ is the jordan block of size $n$ with zeros on diagonal.

Published on 14 Apr 2026 - 19:16

score 124 · Answer 2 · 2026-04-15 14:50:09

124

Views

Why must the determinant of a matrix be nonzero for it to be invertible and is there a work around for physical systems?

Published on 15 Apr 2026 - 14:50

score 37 · Answer 3 · 2026-04-10 15:40:18

37

Views

Describe comparison matrix algorithm as equation

Published on 10 Apr 2026 - 15:40

score 32 · Answer 4 · 2026-03-25 22:10:47

32

Views

If $A\succ B\succ 0$ for $A,B$, then is $\| Ax\|_2 \ge \| Bx\|_2$?

Published on 25 Mar 2026 - 22:10

score 47 · Answer 5 · 2026-04-13 19:13:50

47

Views

Is $||A^\top A + B^\top B||_2 \ge || A^\top A ||_2$ true?

Published on 13 Apr 2026 - 19:13

score 49 · Answer 6 · 2026-04-14 06:26:11

49

Views

The equation of matrix only containing A and I(Identity Matrix) could be solved as the scalar equation?

Published on 14 Apr 2026 - 6:26

score 49 · Answer 7 · 2026-04-17 05:15:54

49

Views

Nilpotent product of nilpotent $2\times 2$ matrices is $0$

Published on 17 Apr 2026 - 5:15

score 59 · Answer 8 · 2026-04-11 23:46:28

59

Views

How to calculate the value of vectors after multiplication with matrix

Published on 11 Apr 2026 - 23:46

score 69 · Answer 9 · 2026-04-10 09:07:43

69

Views

Does this system of matrix equations have an analytical solution?

Published on 10 Apr 2026 - 9:07

score 96 · Answer 10 · 2026-04-17 14:06:39

96

Views

If $A^*= A$ and $A^m= 0$, then $A= 0$.

Published on 17 Apr 2026 - 14:06

score 40 · Answer 11 · 2026-04-14 18:33:04

40

Views

Matricial Equation with both Pointwise and Standard Multiplication

Published on 14 Apr 2026 - 18:33

score 150 · Answer 12 · 2026-04-12 03:16:16

150

Views

How do I transform a point from one coordinate system to another coordinate system?

Published on 12 Apr 2026 - 3:16

score 43 · Answer 13 · 2026-04-16 17:29:01

43

Views

Finding the image of a linear mapping

Published on 16 Apr 2026 - 17:29

score 107 · Answer 14 · 2026-04-12 16:42:57

107

Views

Equivalence of two expressions involving the derivative of the exponential map

Published on 12 Apr 2026 - 16:42

score 142 · Answer 15 · 2026-04-12 09:11:50

142

Views

Calculate $\mathbf{A}^+\mathbf{y}$ indirectly without accessing $\mathbf{A}$

Published on 12 Apr 2026 - 9:11

List Question

Show that the equation $X^2=J_n$has no solution if $n\geq2$, if $J_n$ is the jordan block of size $n$ with zeros on diagonal.

Why must the determinant of a matrix be nonzero for it to be invertible and is there a work around for physical systems?

Describe comparison matrix algorithm as equation

If $A\succ B\succ 0$ for $A,B$, then is $\| Ax\|_2 \ge \| Bx\|_2$?

Is $||A^\top A + B^\top B||_2 \ge || A^\top A ||_2$ true?

The equation of matrix only containing A and I(Identity Matrix) could be solved as the scalar equation?

Nilpotent product of nilpotent $2\times 2$ matrices is $0$

How to calculate the value of vectors after multiplication with matrix

Does this system of matrix equations have an analytical solution?

If $A^*= A$ and $A^m= 0$, then $A= 0$.

Matricial Equation with both Pointwise and Standard Multiplication

How do I transform a point from one coordinate system to another coordinate system?

Finding the image of a linear mapping

Equivalence of two expressions involving the derivative of the exponential map

Calculate $\mathbf{A}^+\mathbf{y}$ indirectly without accessing $\mathbf{A}$

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