List questions from linear-algebra

Published on 25 Mar 2026 - 15:45

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show that a normed vector space $(V,\Vert . \Vert)$ can become a metric space

Published on 26 Mar 2026 - 16:56

1.6k

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Adjoint vectors of a matrix

Published on 27 Mar 2026 - 10:08

128

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Hyperplane in R is a singleton

Published on 17 Feb 2018 - 15:48

839

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Projection operator $P$ on the plane orthogonal to a given vector

Published on 20 Mar 2026 - 7:58

195

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Index Notation, Multiplying a 3rd order tensor with a 2nd order tensor

Published on 31 Mar 2026 - 23:16

570

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Find all eigenvalues of a matrix that holds $A = A^{5}$

Published on 17 Feb 2018 - 17:37

54

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Determine what condition the $n\times n$ matrix $A$ must fulfill so that the matrix $I_n - A$ has an inverse and this equals $I_n + A$.

Published on 17 Feb 2018 - 18:38

43

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How to find a variable in matrices so both are equal?

Published on 17 Feb 2018 - 19:02

328

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Would $x_1^2 + x_2^2 = 0$ be considered an equation for a linear subspace of $\mathbb{R}^2$?

Published on 17 Feb 2018 - 20:15

52

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Finding a suitable basis for matrix

Published on 17 Feb 2018 - 21:43

678

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Proving similarity of $A$ and $A^T$

Published on 23 Mar 2026 - 9:54

517

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Mahalanobis whitening in a multivariate Gaussian kernel

Published on 23 Mar 2026 - 11:52

1.5k

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Let $U =\{ p\in \mathbb{P_4}(\mathbb{R}): p(6) = 0 \}$. Find a Basis of $U$.

Published on 26 Mar 2026 - 1:10

1k

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Problem in proof that isometry is linear

Published on 25 Mar 2026 - 19:10

List Question

solving linear equation with modulus

show that a normed vector space $(V,\Vert . \Vert)$ can become a metric space

Adjoint vectors of a matrix

Hyperplane in R is a singleton

Projection operator $P$ on the plane orthogonal to a given vector

Index Notation, Multiplying a 3rd order tensor with a 2nd order tensor

Find all eigenvalues of a matrix that holds $A = A^{5}$

Determine what condition the $n\times n$ matrix $A$ must fulfill so that the matrix $I_n - A$ has an inverse and this equals $I_n + A$.

How to find a variable in matrices so both are equal?

Would $x_1^2 + x_2^2 = 0$ be considered an equation for a linear subspace of $\mathbb{R}^2$?

Finding a suitable basis for matrix

Proving similarity of $A$ and $A^T$

Mahalanobis whitening in a multivariate Gaussian kernel

Let $U =\{ p\in \mathbb{P_4}(\mathbb{R}): p(6) = 0 \}$. Find a Basis of $U$.

Problem in proof that isometry is linear

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