List questions from matrix-calculus

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If the Jacobian is the first derivative, the Hessian is the second derivative, what is the third derivative called?

Published on 27 Feb 2018 - 1:52

482

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Derivative of $BAA^Tx$ with respect to $A$

Published on 28 Feb 2018 - 5:26

86

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Writing this matrix expression in terms of vec operator

Published on 22 Mar 2026 - 20:52

1.1k

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Derivative w.r.t orthogonal matrix

Published on 17 Mar 2026 - 8:09

536

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Maximum number of non-zero elements for an (n, n) matrix product

Published on 01 Mar 2018 - 17:57

3.1k

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Calculating the matrix exponential of rotation matrix

Published on 22 Mar 2026 - 1:51

227

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Extending the Proof for $\det(AB) = \det(A) \cdot \det(B)$ from the $3 \times 3$ to the $n \times n$ case

Published on 02 Mar 2018 - 20:17

58

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A set of matrix with 2 properties

Published on 05 Mar 2018 - 13:27

272

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Simple matrix derivative

Published on 07 Mar 2018 - 6:47

54

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Scaling differentiation matrices

Published on 23 Mar 2026 - 3:43

43

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Is it always true for vector and matrix multiplication?

Published on 08 Mar 2018 - 3:59

1.3k

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$AB = C$, prove if $C$ is invertible, then $A$ and $B$

Published on 08 Mar 2018 - 11:43

114

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Geometric Series of Discounted Matrices

Published on 22 Mar 2026 - 4:34

222

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How do you solve $\dot{X} = UX$?

Published on 08 Mar 2018 - 22:33

50

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Minimisation of a scalar function with respect to a vector

Published on 22 Mar 2026 - 21:37

List Question

If the Jacobian is the first derivative, the Hessian is the second derivative, what is the third derivative called?

Derivative of $BAA^Tx$ with respect to $A$

Writing this matrix expression in terms of vec operator

Derivative w.r.t orthogonal matrix

Maximum number of non-zero elements for an (n, n) matrix product

Calculating the matrix exponential of rotation matrix

Extending the Proof for $\det(AB) = \det(A) \cdot \det(B)$ from the $3 \times 3$ to the $n \times n$ case

A set of matrix with 2 properties

Simple matrix derivative

Scaling differentiation matrices

Is it always true for vector and matrix multiplication?

$AB = C$, prove if $C$ is invertible, then $A$ and $B$

Geometric Series of Discounted Matrices

How do you solve $\dot{X} = UX$?

Minimisation of a scalar function with respect to a vector

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