List questions from matrices

Published on 14 Apr 2026 - 10:59

1.9k

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How to apply conjugate gradient to invert a sparse matrix

Published on 29 Apr 2026 - 12:52

136

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Adding a multiple of the identity into a generalized eigenvalue problem

Published on 18 Apr 2026 - 2:19

594

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Transition matrix of "Three machines, one repairman"

Published on 11 Apr 2026 - 2:11

56

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What is the correct name for those matrices where $M{i,j}$ = 1 if i = j, 0 o.w.?

Published on 16 Apr 2026 - 13:24

106

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Can the span of $L(I,A,A^2,\cdots,A^k,..)$ have more than $n$ elements?

Published on 04 May 2026 - 10:57

13.4k

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Can't figure out how to solve matrix equation Ax=0

Published on 10 Apr 2026 - 3:00

37

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Prove that any eigenvectors of $A^{-1}$ must be in some subspace of $adj(A)$

Published on 11 Apr 2026 - 18:53

64

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Find $c$ such that you get real eigenvalues

Published on 16 Apr 2026 - 10:43

73

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Clarification of Sherman-Morrison formula for: $(A + \alpha bc^T)^{-1}$

Published on 12 Apr 2026 - 4:59

66

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Find base of subspace $U=\{A\in M_3:S^{-1}AS=D\}$

Published on 16 Apr 2026 - 10:43

286

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Where did I make a mistake in expanding the determinant?

Published on 15 Apr 2026 - 13:02

669

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Affine Transformations isomorphic to Heisenberg group

Published on 15 Apr 2026 - 2:11

230

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Condition number in terms of inner products for $A = I - uv^T$

Published on 14 Apr 2026 - 0:45

267

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Reflection operator and plane

Published on 10 Apr 2026 - 12:48

List Question

Is there a name for this special type of matrix?

How to apply conjugate gradient to invert a sparse matrix

Adding a multiple of the identity into a generalized eigenvalue problem

Transition matrix of "Three machines, one repairman"

What is the correct name for those matrices where $M{i,j}$ = 1 if i = j, 0 o.w.?

Can the span of $L(I,A,A^2,\cdots,A^k,..)$ have more than $n$ elements?

Can't figure out how to solve matrix equation Ax=0

Prove that any eigenvectors of $A^{-1}$ must be in some subspace of $adj(A)$

Find $c$ such that you get real eigenvalues

Clarification of Sherman-Morrison formula for: $(A + \alpha bc^T)^{-1}$

Find base of subspace $U=\{A\in M_3:S^{-1}AS=D\}$

Where did I make a mistake in expanding the determinant?

Affine Transformations isomorphic to Heisenberg group

Condition number in terms of inner products for $A = I - uv^T$

Reflection operator and plane

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