List questions from multivariable-calculus

Published on 10 May 2026 - 13:48

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Taylor expansion of $x^2ye^{1-xy}$ at the point $(1,1)$

Published on 16 Apr 2026 - 13:06

99

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Trying to solve this triple integral: $\iiint (x-1)(y-1) \,dx\,dy\,dz$

Published on 25 Mar 2026 - 14:27

78

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find extrema of a $f(x,y,z)$ function using Lagrange multiplier

Published on 12 Apr 2026 - 21:22

94

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find extrema of a multivariable function Lagrange

Published on 11 May 2026 - 3:46

178

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Existence of the Limit of a Two-Variable Function

Published on 11 Apr 2026 - 2:43

109

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Derivative of this application?

Published on 16 May 2026 - 21:52

4.7k

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Lipschitz constant of a matrix

Published on 13 Apr 2026 - 13:42

58

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Show whether or not the functions $f(x,y)=|x|^y$, $g(x,y)=|x|^{|1/y|}$ have limits at $(0,0)$.

Published on 16 Apr 2026 - 9:39

33

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Interior of a subset of $\mathbb{R}^3$ where $(x,y)\in\mathbb{Q}^2$

Published on 14 May 2026 - 18:20

105

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Why tangent surface is a plane

Published on 15 Apr 2026 - 5:06

230

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Change of coordinates to solve an equation in partial derivatives

Published on 12 Apr 2026 - 1:04

182

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Global extrema of $f(x,y,z) = x^2-y^2+z$ on $x^2+y^2+z^2\leq 1$ and $f(x,y)=\frac{x^2}{2}+\frac{y^2}{2}$ on $\frac{x^2}{2}+y^2\leq 1$

Published on 29 Apr 2026 - 4:10

53

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For all matrices A exists unique matrix B with $B^2=A$ in a sufficient neighborhood.

Published on 10 May 2026 - 19:14

77

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Show that if $\left|T\left(x\right)-T\left(y\right)\right|\geq c\left|x-y\right|$ then $v\left(T\left(E\right)\right)\geq c^{n}v\left(E\right)$

Published on 11 May 2026 - 1:53

List Question

Calculate gradient of the spectral norm analytically

Taylor expansion of $x^2ye^{1-xy}$ at the point $(1,1)$

Trying to solve this triple integral: $\iiint (x-1)(y-1) \,dx\,dy\,dz$

find extrema of a $f(x,y,z)$ function using Lagrange multiplier

find extrema of a multivariable function Lagrange

Existence of the Limit of a Two-Variable Function

Derivative of this application?

Lipschitz constant of a matrix

Show whether or not the functions $f(x,y)=|x|^y$, $g(x,y)=|x|^{|1/y|}$ have limits at $(0,0)$.

Interior of a subset of $\mathbb{R}^3$ where $(x,y)\in\mathbb{Q}^2$

Why tangent surface is a plane

Change of coordinates to solve an equation in partial derivatives

Global extrema of $f(x,y,z) = x^2-y^2+z$ on $x^2+y^2+z^2\leq 1$ and $f(x,y)=\frac{x^2}{2}+\frac{y^2}{2}$ on $\frac{x^2}{2}+y^2\leq 1$

For all matrices A exists unique matrix B with $B^2=A$ in a sufficient neighborhood.

Show that if $\left|T\left(x\right)-T\left(y\right)\right|\geq c\left|x-y\right|$ then $v\left(T\left(E\right)\right)\geq c^{n}v\left(E\right)$

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