List questions from linear-algebra

Published on 11 Apr 2026 - 12:55

48

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Subspace and Space

Published on 15 Apr 2026 - 0:49

55

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Is $v$ necessarily an eigenvector of $S\circ T$?

Published on 13 Apr 2026 - 22:32

110

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" Let $A$ be a symmetric $2 \times 2$ matrix with the property $A^{-1} = A$. Find all possible trace values of $\operatorname{tr}A$"

Published on 12 Apr 2026 - 13:37

63

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Finding the eigenvalue for a matrix

Published on 09 Apr 2026 - 11:26

1k

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what is a unitary operator

Published on 08 Apr 2026 - 16:46

226

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Let V be the set of all $120 × 120$ matrices commuting with A. what is dimension of V?

Published on 16 Apr 2026 - 1:41

4.6k

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Block diagonalization

Published on 20 Apr 2026 - 2:32

48

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misunderstanding of vectors in the eigenspace

Published on 13 Apr 2026 - 18:44

901

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Find a scalar product of the vector space defined by its basis vectors

Published on 17 Apr 2026 - 10:27

57

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Find 2 idempotent matrix with some poperties.

Published on 15 Apr 2026 - 14:45

2k

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How many $3 \times 3$ non-symmetric and non-singular matrices $A$ are there such that $A^{T}=A^2-I$?

Published on 14 Apr 2026 - 17:44

94

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Prove that the minimum value of $q(x)$ is $-\left \langle b,A^{-1}b \right \rangle$

Published on 16 Apr 2026 - 23:21

36

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Finding a basis to satisfy the required form.

Published on 13 Apr 2026 - 2:26

51

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Fourier Series on Mathematica

Published on 10 Apr 2026 - 3:31

List Question

A question about to determinant of matrix

Subspace and Space

Is $v$ necessarily an eigenvector of $S\circ T$?

" Let $A$ be a symmetric $2 \times 2$ matrix with the property $A^{-1} = A$. Find all possible trace values of $\operatorname{tr}A$"

Finding the eigenvalue for a matrix

what is a unitary operator

Let V be the set of all $120 × 120$ matrices commuting with A. what is dimension of V?

Block diagonalization

misunderstanding of vectors in the eigenspace

Find a scalar product of the vector space defined by its basis vectors

Find 2 idempotent matrix with some poperties.

How many $3 \times 3$ non-symmetric and non-singular matrices $A$ are there such that $A^{T}=A^2-I$?

Prove that the minimum value of $q(x)$ is $-\left \langle b,A^{-1}b \right \rangle$

Finding a basis to satisfy the required form.

Fourier Series on Mathematica

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