Question

Value of $h$ and $k$ for system consistency

score 78 · Answer 1 · 2018-05-13 14:12:16

78

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Value of $h$ and $k$ for system consistency

Published on 13 May 2018 - 14:12

score 36 · Answer 2 · 2026-03-25 11:25:36

36

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The matrix calculation in exponentionwhy is $-x^T\Lambda^{-1}m-m^T\Lambda^{-1}x=-2m^T\Lambda^{-1}x$?

Published on 25 Mar 2026 - 11:25

score 220 · Answer 3 · 2026-03-25 06:04:32

220

Views

Inertia of the matrix $\frac{1}{(i+j)!}$

Published on 25 Mar 2026 - 6:04

score 180 · Answer 4 · 2026-03-25 06:07:12

180

Views

About the convexity of distance metrc problems.

Published on 25 Mar 2026 - 6:07

score 48 · Answer 5 · 2018-05-17 10:21:47

48

Views

Need help following through the matrix calculus in this paper

Published on 17 May 2018 - 10:21

score 792 · Answer 6 · 2018-05-17 16:09:19

792

Views

Derivative of L-1 norm of matrix

Published on 17 May 2018 - 16:09

score 147 · Answer 7 · 2026-03-25 11:06:43

147

Views

Confusion after attempting to apply chain rule with respect to matrix, using a Frobenius product.

Published on 25 Mar 2026 - 11:06

score 311 · Answer 8 · 2026-03-24 22:07:39

311

Views

Derivative of $\mbox{tr}\left\{ X^T A X^{-1} B\right\}$ w.r.t. matrix $X$ for a given $A$ and $B$ matrices?

Published on 24 Mar 2026 - 22:07

score 278 · Answer 9 · 2026-03-25 11:00:03

278

Views

Computing $k$-th roots of diagonalizable matrices with integer entries

Published on 25 Mar 2026 - 11:00

score 95 · Answer 10 · 2018-05-22 17:38:31

95

Views

Is the integral $x^* \left( \int_{0}^{\infty} e^{(B-A)^t} (A^A) e^{(B-A)t} dt \right) x$ unbounded when $\|A\| \to \infty$ in some matrix norm?

Published on 22 May 2018 - 17:38

score 908 · Answer 11 · 2018-05-23 03:53:11

908

Views

derivative of the determinant of the sum of two matrices

Published on 23 May 2018 - 3:53

score 70 · Answer 12 · 2018-05-23 11:39:59

70

Views

Validation of $\frac{\partial \mathcal{R} (\mathbf{x})}{\partial \mathbf{x}^T}$

Published on 23 May 2018 - 11:39

score 2.7k · Answer 13 · 2018-05-23 13:14:04

2.7k

Views

Inverse of the subtraction of Matrices

Published on 23 May 2018 - 13:14

score 412 · Answer 14 · 2026-03-25 09:33:46

412

Views

Square matrix with all negative elements is negative definite?

Published on 25 Mar 2026 - 9:33

score 803 · Answer 15 · 2018-05-23 18:18:40

803

Views

Derivatives of determinant function when the matrix variable is possibly singular

Published on 23 May 2018 - 18:18

List Question

Value of $h$ and $k$ for system consistency

The matrix calculation in exponentionwhy is $-x^T\Lambda^{-1}m-m^T\Lambda^{-1}x=-2m^T\Lambda^{-1}x$?

Inertia of the matrix $\frac{1}{(i+j)!}$

About the convexity of distance metrc problems.

Need help following through the matrix calculus in this paper

Derivative of L-1 norm of matrix

Confusion after attempting to apply chain rule with respect to matrix, using a Frobenius product.

Derivative of $\mbox{tr}\left\{ X^T A X^{-1} B\right\}$ w.r.t. matrix $X$ for a given $A$ and $B$ matrices?

Computing $k$-th roots of diagonalizable matrices with integer entries

Is the integral $x^* \left( \int_{0}^{\infty} e^{(B-A)^t} (A^A) e^{(B-A)t} dt \right) x$ unbounded when $\|A\| \to \infty$ in some matrix norm?

derivative of the determinant of the sum of two matrices

Validation of $\frac{\partial \mathcal{R} (\mathbf{x})}{\partial \mathbf{x}^T}$

Inverse of the subtraction of Matrices

Square matrix with all negative elements is negative definite?

Derivatives of determinant function when the matrix variable is possibly singular

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