Question

Explaining why $\displaystyle {d \over dt}e^{\int_0^tA(s)\,ds} \ne A(t)e^{\int_0^tA(s)\,ds}$ by definition

score 73 · Answer 1 · 2016-09-22 13:58:42

73

Views

Explaining why $\displaystyle {d \over dt}e^{\int_0^tA(s)\,ds} \ne A(t)e^{\int_0^tA(s)\,ds}$ by definition

Published on 22 Sep 2016 - 13:58

score 138 · Answer 2 · 2026-03-25 11:12:19

138

Views

Extremize $\| \mathrm A \mathrm x \|_2$ subject to $\| \mathrm B \mathrm x \|_2 = 1$

Published on 25 Mar 2026 - 11:12

score 106 · Answer 3 · 2026-03-29 05:34:13

106

Views

Please find the quadratic form solution

Published on 29 Mar 2026 - 5:34

score 228 · Answer 4 · 2026-03-27 07:13:18

228

Views

Is $X \mapsto \operatorname{tr} (A e^{X})$ convex?

Published on 27 Mar 2026 - 7:13

score 1.5k · Answer 5 · 2016-09-29 01:32:38

1.5k

Views

How is the Jacobian the derivative if they have different dimensions

Published on 29 Sep 2016 - 1:32

score 46 · Answer 6 · 2016-09-30 14:26:39

46

Views

Dimension mismatch during derivation - simple

Published on 30 Sep 2016 - 14:26

score 64 · Answer 7 · 2016-09-30 21:31:06

64

Views

Problems finding derivative - simple

Published on 30 Sep 2016 - 21:31

score 160 · Answer 8 · 2016-09-30 21:42:16

160

Views

Matrix Calculus: Integrate $\int \exp \left(-\frac{1}{2} \mathbf{x}^T \mathbf{A} \mathbf{x} \right ) d\mathbf{x}$

Published on 30 Sep 2016 - 21:42

score 155 · Answer 9 · 2016-10-01 15:42:18

155

Views

Second order derivative of off-diagonal matrix

Published on 01 Oct 2016 - 15:42

score 153 · Answer 10 · 2016-10-02 10:18:41

153

Views

Calculate Gauss-Jordan of this matrix

Published on 02 Oct 2016 - 10:18

score 2.9k · Answer 11 · 2016-10-04 14:55:42

2.9k

Views

Gradient of $\log(\det(AX))$

Published on 04 Oct 2016 - 14:55

score 26 · Answer 12 · 2026-03-30 05:30:11

26

Views

Show that $P_{ad}^{x+y+z} \ge P_{ab}^{x}P_{bc}^{y}P_{cd}^{z}$ using matrix multiplication

Published on 30 Mar 2026 - 5:30

score 847 · Answer 13 · 2016-10-04 19:50:51

847

Views

Does a pointwisely convergent sequence of quadratic functions pointwisely converges to a quadratic one?

Published on 04 Oct 2016 - 19:50

score 3.6k · Answer 14 · 2016-10-05 08:58:41

3.6k

Views

Derivatives of a vector and its transpose

Published on 05 Oct 2016 - 8:58

score 397 · Answer 15 · 2026-03-29 23:48:14

397

Views

How to write $ uv^{\top} + vu^{\top} $ as $ xx^{\top} + yy^{\top} $?

Published on 29 Mar 2026 - 23:48

List Question

Explaining why $\displaystyle {d \over dt}e^{\int_0^tA(s)\,ds} \ne A(t)e^{\int_0^tA(s)\,ds}$ by definition

Extremize $\| \mathrm A \mathrm x \|_2$ subject to $\| \mathrm B \mathrm x \|_2 = 1$

Please find the quadratic form solution

Is $X \mapsto \operatorname{tr} (A e^{X})$ convex?

How is the Jacobian the derivative if they have different dimensions

Dimension mismatch during derivation - simple

Problems finding derivative - simple

Matrix Calculus: Integrate $\int \exp \left(-\frac{1}{2} \mathbf{x}^T \mathbf{A} \mathbf{x} \right ) d\mathbf{x}$

Second order derivative of off-diagonal matrix

Calculate Gauss-Jordan of this matrix

Gradient of $\log(\det(AX))$

Show that $P_{ad}^{x+y+z} \ge P_{ab}^{x}P_{bc}^{y}P_{cd}^{z}$ using matrix multiplication

Does a pointwisely convergent sequence of quadratic functions pointwisely converges to a quadratic one?

Derivatives of a vector and its transpose

How to write $ uv^{\top} + vu^{\top} $ as $ xx^{\top} + yy^{\top} $?

Trending Questions

Popular # Hahtags

Popular Questions