Question

Multivariable integral, use of Dirac Delta and Heaviside Theta

score 152 · Answer 1 · 2026-04-14 05:54:19

152

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Multivariable integral, use of Dirac Delta and Heaviside Theta

Published on 14 Apr 2026 - 5:54

score 940 · Answer 2 · 2026-04-13 14:20:30

940

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Differentiability implies continuity in higher dimension

Published on 13 Apr 2026 - 14:20

score 1.2k · Answer 3 · 2026-04-13 17:29:57

1.2k

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Is there an easy way to compute the jacobian of a normalized vector?

Published on 13 Apr 2026 - 17:29

score 130 · Answer 4 · 2026-04-14 03:27:40

130

Views

Not sure that this function isn't differentiable at the origin

Published on 14 Apr 2026 - 3:27

score 124 · Answer 5 · 2026-04-17 07:21:02

124

Views

$\iint_{S} z+y+\sqrt{(a^2-x^2)} \,ds$ , surface integral

Published on 17 Apr 2026 - 7:21

score 283 · Answer 6 · 2026-04-11 02:20:05

283

Views

How to compute the summation of f(x) when the limits are in terms of y?

Published on 11 Apr 2026 - 2:20

score 260 · Answer 7 · 2026-04-16 03:36:01

260

Views

The functions $f$ and $g$ are not continuous and have directional derivative at $(0,0)$

Published on 16 Apr 2026 - 3:36

score 56 · Answer 8 · 2026-04-28 08:37:29

56

Views

Let $f:L(E)\to L(E),$ $u\mapsto f(u)=u^3=u\circ u\circ u.$ Then, $f$ is differentiable and compute $f'(u)$

Published on 28 Apr 2026 - 8:37

score 230 · Answer 9 · 2026-04-15 22:34:30

230

Views

Find the linear taylor expansion for $f(x,y) = x\cos y + y\sin x$ and give a bound to the error

Published on 15 Apr 2026 - 22:34

score 333 · Answer 10 · 2026-04-12 13:16:36

333

Views

Evaluating an Integral by converting into polar coordinates.

Published on 12 Apr 2026 - 13:16

score 267 · Answer 11 · 2026-03-25 06:21:02

267

Views

James R. Munkres "Analysis on Manifolds" p.60 Theorem 7.4.

Published on 25 Mar 2026 - 6:21

score 38 · Answer 12 · 2026-04-28 08:26:09

38

Views

Let $f:E\to \Bbb{R},\;p\mapsto f(p)=\int_{0}^{1}p^3{(t)}dt$. Then $f$ is differentiable and we can compute $f'(u)$

Published on 28 Apr 2026 - 8:26

score 536 · Answer 13 · 2026-04-12 20:14:38

536

Views

Question about compactness of the zero set of an analytic function of several variables

Published on 12 Apr 2026 - 20:14

score 53 · Answer 14 · 2026-04-10 01:42:27

53

Views

Non linear differential equation in $\mathbb{R}^2$

Published on 10 Apr 2026 - 1:42

score 102 · Answer 15 · 2026-04-15 20:25:09

102

Views

Prove that $\Phi$ is differentiable on $E$ and find $\Phi'(x)$

Published on 15 Apr 2026 - 20:25

List Question

Multivariable integral, use of Dirac Delta and Heaviside Theta

Differentiability implies continuity in higher dimension

Is there an easy way to compute the jacobian of a normalized vector?

Not sure that this function isn't differentiable at the origin

$\iint_{S} z+y+\sqrt{(a^2-x^2)} \,ds$ , surface integral

How to compute the summation of f(x) when the limits are in terms of y?

The functions $f$ and $g$ are not continuous and have directional derivative at $(0,0)$

Let $f:L(E)\to L(E),$ $u\mapsto f(u)=u^3=u\circ u\circ u.$ Then, $f$ is differentiable and compute $f'(u)$

Find the linear taylor expansion for $f(x,y) = x\cos y + y\sin x$ and give a bound to the error

Evaluating an Integral by converting into polar coordinates.

James R. Munkres "Analysis on Manifolds" p.60 Theorem 7.4.

Let $f:E\to \Bbb{R},\;p\mapsto f(p)=\int_{0}^{1}p^3{(t)}dt$. Then $f$ is differentiable and we can compute $f'(u)$

Question about compactness of the zero set of an analytic function of several variables

Non linear differential equation in $\mathbb{R}^2$

Prove that $\Phi$ is differentiable on $E$ and find $\Phi'(x)$

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