List questions from similar-matrices

Published on 27 Mar 2026 - 7:39

238

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Jordan normal form of $A=\left(\begin{smallmatrix} 0 & 4 & 2 \\ -3 & 8 & 3 \\ 4 & -8 & -2 \\ \end{smallmatrix}\right)$

Published on 25 Mar 2026 - 6:28

88

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$\exp(A)=\exp(B)\Rightarrow A,B$ similar

Published on 25 Mar 2026 - 6:27

270

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Does a Householder Matrix commute with a unitary matrix?

Published on 25 Mar 2026 - 6:27

402

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How many similar matrices does one given matrix have?

Published on 25 Mar 2026 - 6:26

811

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Are products and sums of similar matrices similar?

Published on 16 Apr 2026 - 20:37

53

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Naming conventions in matrix diagonalization $ D = S^{-1} \cdot A \cdot S $

Published on 25 Mar 2026 - 6:27

904

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Gershgorin circle theorem and similarity transformations

Published on 25 Apr 2026 - 11:30

229

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How to prove matrix similarity?

Published on 10 Apr 2026 - 11:03

501

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Similarity of matrices and Smith normal form

Published on 23 Apr 2026 - 17:01

267

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Can matrix similarity be extended to include pseudoinverses instead of inverse?

Published on 25 Mar 2026 - 6:28

150

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If conjugation by a matrix preserves the matrix norm then the matrix must be conformal?

Published on 25 Mar 2026 - 6:29

4.6k

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What do you call the upside down V character when it refers to a Jacobian Matrix or similar matrix?

Published on 25 Mar 2026 - 6:30

496

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Are unitary matrices still unitary under similarity transformations?

Published on 25 Mar 2026 - 6:29

390

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Can matrices be 'similar' (or conjugate) by nonzero non-invertible matrix?

Published on 25 Mar 2026 - 6:28

List Question

Spectral norm of similar matrices

Jordan normal form of $A=\left(\begin{smallmatrix} 0 & 4 & 2 \\ -3 & 8 & 3 \\ 4 & -8 & -2 \\ \end{smallmatrix}\right)$

$\exp(A)=\exp(B)\Rightarrow A,B$ similar

Does a Householder Matrix commute with a unitary matrix?

How many similar matrices does one given matrix have?

Are products and sums of similar matrices similar?

Naming conventions in matrix diagonalization $ D = S^{-1} \cdot A \cdot S $

Gershgorin circle theorem and similarity transformations

How to prove matrix similarity?

Similarity of matrices and Smith normal form

Can matrix similarity be extended to include pseudoinverses instead of inverse?

If conjugation by a matrix preserves the matrix norm then the matrix must be conformal?

What do you call the upside down V character when it refers to a Jacobian Matrix or similar matrix?

Are unitary matrices still unitary under similarity transformations?

Can matrices be 'similar' (or conjugate) by nonzero non-invertible matrix?

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