Question

Computing the derivative of matrix inverse using the chain rule

score 257 · Answer 1 · 2026-04-11 06:53:22

257

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Computing the derivative of matrix inverse using the chain rule

Published on 11 Apr 2026 - 6:53

score 108 · Answer 2 · 2026-04-16 15:00:35

108

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Maximizing $f(x,y,z)$ over $\mathcal T=\left\{(x,y,z)\, |\, 0\leq y\leq x-1\, , \, x\in[1,2]\, , \, z\in\mathbb R \right\}$

Published on 16 Apr 2026 - 15:00

score 162 · Answer 3 · 2026-04-16 15:41:02

162

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Showing that $f \colon \mathbb{R}^n \to \mathbb{R}^m$ is continuous iff the inverse image of every open set is an open set

Published on 16 Apr 2026 - 15:41

score 113 · Answer 4 · 2026-04-14 03:25:12

113

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Write this in matrix form?

Published on 14 Apr 2026 - 3:25

score 2.7k · Answer 5 · 2026-04-13 23:12:35

2.7k

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Area of a Triangle from Polar Coordinate Points

Published on 13 Apr 2026 - 23:12

score 44 · Answer 6 · 2026-04-15 18:52:19

44

Views

Find functions $f:\mathbb{R}^n\to\mathbb{R}, n\ge 2$ such that $\nabla f(x)= 0$ and $x$ is local min but not global, and $x$ is saddle point

Published on 15 Apr 2026 - 18:52

score 256 · Answer 7 · 2026-04-13 01:17:45

256

Views

Proving Multivariable limit Exists

Published on 13 Apr 2026 - 1:17

score 226 · Answer 8 · 2026-03-25 14:23:31

226

Views

Volume of a section of a sphere

Published on 25 Mar 2026 - 14:23

score 846 · Answer 9 · 2026-04-15 15:49:00

846

Views

Partial derivatives in the proof for $\frac {\partial}{\partial x} f(tx,ty)= t^{n-1} \frac{\partial }{\partial x}f(tx,ty)$

Published on 15 Apr 2026 - 15:49

score 227 · Answer 10 · 2026-05-05 07:52:10

227

Views

Gradient of the maximum of smooth functions

Published on 05 May 2026 - 7:52

score 34 · Answer 11 · 2026-04-16 03:04:08

Determine the values of $a,b,c,d \in \Bbb{R}$ such that $g_x(x,y)=ax+by$ and $g_y(x,y)=cx+dy$ are the correct partial derivatives?

score 259 · Answer 12 · 2026-04-11 12:23:43

259

Views

Partial derivatives are zero in some point, when the limit in boundary points are zero.

Published on 11 Apr 2026 - 12:23

score 2k · Answer 13 · 2026-04-11 03:46:03

2k

Views

Differentiating a volume integral with time

Published on 11 Apr 2026 - 3:46

score 168 · Answer 14 · 2026-04-17 04:33:32

168

Views

Evaluate $\iint_D\frac{\sin x}{x}\;\mathrm dx\mathrm dy$

Published on 17 Apr 2026 - 4:33

score 87 · Answer 15 · 2026-04-13 16:08:40

87

Views

Clarifying Stokes' Theorem misconceptions with a problem

Published on 13 Apr 2026 - 16:08

List Question

Computing the derivative of matrix inverse using the chain rule

Maximizing $f(x,y,z)$ over $\mathcal T=\left\{(x,y,z)\, |\, 0\leq y\leq x-1\, , \, x\in[1,2]\, , \, z\in\mathbb R \right\}$

Showing that $f \colon \mathbb{R}^n \to \mathbb{R}^m$ is continuous iff the inverse image of every open set is an open set

Write this in matrix form?

Area of a Triangle from Polar Coordinate Points

Find functions $f:\mathbb{R}^n\to\mathbb{R}, n\ge 2$ such that $\nabla f(x)= 0$ and $x$ is local min but not global, and $x$ is saddle point

Proving Multivariable limit Exists

Volume of a section of a sphere

Partial derivatives in the proof for $\frac {\partial}{\partial x} f(tx,ty)= t^{n-1} \frac{\partial }{\partial x}f(tx,ty)$

Gradient of the maximum of smooth functions

Determine the values of $a,b,c,d \in \Bbb{R}$ such that $g_x(x,y)=ax+by$ and $g_y(x,y)=cx+dy$ are the correct partial derivatives?

Partial derivatives are zero in some point, when the limit in boundary points are zero.

Differentiating a volume integral with time

Evaluate $\iint_D\frac{\sin x}{x}\;\mathrm dx\mathrm dy$

Clarifying Stokes' Theorem misconceptions with a problem

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