Question

On Kelvin-Stokes proof without differential forms

score 206 · Answer 1 · 2026-04-12 22:00:48

206

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On Kelvin-Stokes proof without differential forms

Published on 12 Apr 2026 - 22:00

score 67 · Answer 2 · 2026-04-12 16:39:34

67

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Doubts about Lax's proof of change of variables

Published on 12 Apr 2026 - 16:39

score 62 · Answer 3 · 2026-04-13 14:48:02

62

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Calculation of the line integral of a vector field along a path

Published on 13 Apr 2026 - 14:48

score 31 · Answer 4 · 2026-04-14 15:14:22

31

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Analyze the existence of extremes given a square and a scalar field $f$

Published on 14 Apr 2026 - 15:14

score 306 · Answer 5 · 2026-04-14 02:46:40

306

Views

Given a Taylor polynomial of degree $2$, study if there is a saddle point at a point

Published on 14 Apr 2026 - 2:46

score 99 · Answer 6 · 2026-04-16 08:29:08

99

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An integral related to the pdf of the non-central chi-squared distribution

Published on 16 Apr 2026 - 8:29

score 64 · Answer 7 · 2026-04-13 12:49:27

64

Views

A question from Spivak text

Published on 13 Apr 2026 - 12:49

score 104 · Answer 8 · 2026-04-13 12:33:21

104

Views

Why $Dom(f)$ needs to be open for $Df(a)$ to work?

Published on 13 Apr 2026 - 12:33

score 61 · Answer 9 · 2026-04-17 12:59:55

61

Views

$\left(\int_\Omega \left\vert D^\alpha \frac{1}{|x|}\right\vert^2|x|^{2(\beta+k)}dx\right)^{1/2}\leq C(d)^kk!,\quad\forall |\alpha|=k\in \mathbb{N}$?

Published on 17 Apr 2026 - 12:59

score 403 · Answer 10 · 2026-04-15 20:17:52

403

Views

Area of fourth quadrant in unit circle

Published on 15 Apr 2026 - 20:17

score 63 · Answer 11 · 2026-04-25 00:38:52

For any two functions f and g defined as f (x, y )= (x+1,y+3) and g (x,y)=(x-3,y-2) show that the following statement is true or false.

score 78 · Answer 12 · 2026-04-16 18:59:17

78

Views

second derivative $\mbox{Tr} \left(\left(X^{\frac{3}{2}}AX^{\frac{3}{2}}\right)^{\frac{1}{2}}\right)$ with respect to $X$

Published on 16 Apr 2026 - 18:59

score 77 · Answer 13 · 2026-04-16 22:30:05

77

Views

Limit of $\lim_{(x,y)\rightarrow (0,0)}\ xy\log(\lvert x\rvert+\lvert y\rvert)$

Published on 16 Apr 2026 - 22:30

score 215 · Answer 14 · 2026-04-15 08:24:21

215

Views

Find the following limit: $\lim \limits_{x,y \to 0,0} \frac{x+y-\frac{1}{2}y^2}{\sin\left(y\right)+\log\left(1+x\right)}$

Published on 15 Apr 2026 - 8:24

score 536 · Answer 15 · 2026-04-10 23:02:39

536

Views

Finding the volume of this intersection

Published on 10 Apr 2026 - 23:02

List Question

On Kelvin-Stokes proof without differential forms

Doubts about Lax's proof of change of variables

Calculation of the line integral of a vector field along a path

Analyze the existence of extremes given a square and a scalar field $f$

Given a Taylor polynomial of degree $2$, study if there is a saddle point at a point

An integral related to the pdf of the non-central chi-squared distribution

A question from Spivak text

Why $Dom(f)$ needs to be open for $Df(a)$ to work?

$\left(\int_\Omega \left\vert D^\alpha \frac{1}{|x|}\right\vert^2|x|^{2(\beta+k)}dx\right)^{1/2}\leq C(d)^kk!,\quad\forall |\alpha|=k\in \mathbb{N}$?

Area of fourth quadrant in unit circle

For any two functions f and g defined as f (x, y )= (x+1,y+3) and g (x,y)=(x-3,y-2) show that the following statement is true or false.

second derivative $\mbox{Tr} \left(\left(X^{\frac{3}{2}}AX^{\frac{3}{2}}\right)^{\frac{1}{2}}\right)$ with respect to $X$

Limit of $\lim_{(x,y)\rightarrow (0,0)}\ xy\log(\lvert x\rvert+\lvert y\rvert)$

Find the following limit: $\lim \limits_{x,y \to 0,0} \frac{x+y-\frac{1}{2}y^2}{\sin\left(y\right)+\log\left(1+x\right)}$

Finding the volume of this intersection

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