List questions from matrix-calculus

Published on 16 Jan 2017 - 10:26

161

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assume we have $A,B,A-B$ non-negative definite matrix…

Published on 17 Jan 2017 - 16:12

252

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What is the correct order of multiplication for this product of matricies?

Published on 26 Mar 2026 - 22:18

475

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Derivative of a product of a matrix and a vector with respect to a parameter

Published on 18 Jan 2017 - 11:24

1.2k

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Is it possible for a matrix to have no leading ones?

Published on 18 Jan 2017 - 22:56

195

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Multidimensional derivatives - matrix dimensions

Published on 31 Mar 2026 - 3:35

1.1k

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Matrix calculus: change of variable

Published on 20 Jan 2017 - 4:31

130

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Derivative of a scalar function in multiple matrices

Published on 24 Jan 2017 - 13:16

235

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Following Terrence Tao's "When are Eigenvalues Stable?" Post

Published on 26 Mar 2026 - 21:35

223

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Gradient of the entrywise 1-norm of a pseudoinverse matrix

Published on 25 Jan 2017 - 11:34

959

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Help Determinant Binary Matrix

Published on 01 Apr 2026 - 4:18

20

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Show $F$ is differentiable at all $x$ and show $DF(x)$ is a row vector

Published on 26 Jan 2017 - 6:51

28

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Show that $G$ is differentiable for all $t$, and find $G'(0)$

Published on 26 Jan 2017 - 17:03

658

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Finding an analytical solution to $\underset{X}{\text{argmin}} \sum_{i=1}^{N} (y_i - \mathbf{a_{i}^TX^T b_i})^2$

Published on 27 Jan 2017 - 13:12

141

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$X^* X X^\top = X^\top \overline{X} X^\top$

Published on 27 Jan 2017 - 16:27

List Question

Calculate gradient of matrix product

assume we have $A,B,A-B$ non-negative definite matrix…

What is the correct order of multiplication for this product of matricies?

Derivative of a product of a matrix and a vector with respect to a parameter

Is it possible for a matrix to have no leading ones?

Multidimensional derivatives - matrix dimensions

Matrix calculus: change of variable

Derivative of a scalar function in multiple matrices

Following Terrence Tao's "When are Eigenvalues Stable?" Post

Gradient of the entrywise 1-norm of a pseudoinverse matrix

Help Determinant Binary Matrix

Show $F$ is differentiable at all $x$ and show $DF(x)$ is a row vector

Show that $G$ is differentiable for all $t$, and find $G'(0)$

Finding an analytical solution to $\underset{X}{\text{argmin}} \sum_{i=1}^{N} (y_i - \mathbf{a_{i}^TX^T b_i})^2$

$X^* X X^\top = X^\top \overline{X} X^\top$

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