Question

Derivative of squared Frobenius norm of linear combination of rank-$1$ matrices with respect to their weights

score 233 · Answer 1 · 2026-04-15 06:47:34

233

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Derivative of squared Frobenius norm of linear combination of rank-$1$ matrices with respect to their weights

Published on 15 Apr 2026 - 6:47

score 101 · Answer 2 · 2026-04-10 20:00:08

101

Views

Elementary doubt about differentiability of a two variables function

Published on 10 Apr 2026 - 20:00

score 269 · Answer 3 · 2026-04-14 05:53:07

269

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Why line passing through origin in the intersection of three planes is parallel to the planes?

Published on 14 Apr 2026 - 5:53

score 317 · Answer 4 · 2026-04-13 10:19:02

317

Views

Taking the partial derivative of substitution variables with trig-functions

Published on 13 Apr 2026 - 10:19

score 51 · Answer 5 · 2026-04-21 13:01:10

51

Views

When is $\frac{\partial^2 F(x,y)}{\partial\space x \partial\space y}$ not equal to zero?

Published on 21 Apr 2026 - 13:01

score 388 · Answer 6 · 2026-04-10 21:01:52

388

Views

How to maximise a function with 4 variables having logarithm factors and having 4 constraints?

Published on 10 Apr 2026 - 21:01

score 71 · Answer 7 · 2026-04-09 07:34:19

71

Views

An integral equation of a $k$-homogeneous function $f$ over $\mathbb{R}^3$

Published on 09 Apr 2026 - 7:34

score 245 · Answer 8 · 2026-04-13 10:42:03

245

Views

change of variable in two dimension

Published on 13 Apr 2026 - 10:42

score 35 · Answer 9 · 2026-04-14 21:26:28

35

Views

$f(x,y)\in \mathcal{F}L^1 \implies f(x+y, x-y)\in \mathcal{F}L^1$

Published on 14 Apr 2026 - 21:26

score 54 · Answer 10 · 2026-04-16 17:40:38

54

Views

What's the meaning of these points in $f(x,y) = x^2 + y^2 + \frac{1}{xy}$?

Published on 16 Apr 2026 - 17:40

score 80 · Answer 11 · 2026-04-13 02:27:15

80

Views

Proving a property with logarithm

Published on 13 Apr 2026 - 2:27

score 60 · Answer 12 · 2026-04-14 08:10:48

60

Views

Compare two functions in neighborhood of zero

Published on 14 Apr 2026 - 8:10

score 1.5k · Answer 13 · 2026-04-15 14:39:47

1.5k

Views

Angle between position/velocity vector and tangent vector

Published on 15 Apr 2026 - 14:39

score 61 · Answer 14 · 2026-04-12 00:05:51

61

Views

Checking a double integral in polar coordinates

Published on 12 Apr 2026 - 0:05

score 95 · Answer 15 · 2026-04-10 09:28:48

95

Views

Green's Theorem Questions

Published on 10 Apr 2026 - 9:28

List Question

Derivative of squared Frobenius norm of linear combination of rank-$1$ matrices with respect to their weights

Elementary doubt about differentiability of a two variables function

Why line passing through origin in the intersection of three planes is parallel to the planes?

Taking the partial derivative of substitution variables with trig-functions

When is $\frac{\partial^2 F(x,y)}{\partial\space x \partial\space y}$ not equal to zero?

How to maximise a function with 4 variables having logarithm factors and having 4 constraints?

An integral equation of a $k$-homogeneous function $f$ over $\mathbb{R}^3$

change of variable in two dimension

$f(x,y)\in \mathcal{F}L^1 \implies f(x+y, x-y)\in \mathcal{F}L^1$

What's the meaning of these points in $f(x,y) = x^2 + y^2 + \frac{1}{xy}$?

Proving a property with logarithm

Compare two functions in neighborhood of zero

Angle between position/velocity vector and tangent vector

Checking a double integral in polar coordinates

Green's Theorem Questions

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