List questions from multivariable-calculus

Published on 24 Mar 2026 - 22:10

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how to compute the vector derivative of this matrix equation

Published on 25 Mar 2026 - 1:26

457

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How can I evaluate this multivariate limit?

Published on 23 Mar 2026 - 3:58

3.4k

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Checking the differentiability of the two variables function

Published on 23 Mar 2026 - 13:36

31

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Consistent with the name of the coordinates for $\mathbb R^3$?

Published on 25 Mar 2026 - 17:45

81

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Inequality $(w_1^{1/p}|x|)w_1^{1/q}+(w_2^{1/p}|y|)w_2^{1/q} \leq (w_1|x|^p+w_2|y|^p)^{1/p}(w_1+w_2)^{1/q}$?

Published on 09 Apr 2026 - 2:01

861

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Extension of Euler's Theorem for Homogeneous Functions

Published on 24 Mar 2026 - 21:22

56

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Find all the local extrema for $f(x,y)=x^3y^2+27xy+27y$

Published on 23 Mar 2026 - 9:47

1k

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Proving global minima of function

Published on 10 Apr 2026 - 20:33

30

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Integrability of function in $\mathbb{R}^d$

Published on 10 Apr 2026 - 17:40

482

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Find all stationary points for $f(x,y,z)=(x+xy+yz)e^x.$

Published on 06 Apr 2026 - 12:39

173

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Horizontal plane for surface

Published on 05 Apr 2026 - 15:47

390

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Constant vector and differential geometry

Published on 09 Apr 2026 - 0:25

87

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If $u_x=0$ and $u_y = 0$ on a open, connected set. Then $u$ is a constant on the set.

Published on 25 Mar 2026 - 22:06

139

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Is there a non-degenerate solution for this PDE on $\mathbb{R}^3$?

Published on 09 Apr 2026 - 1:58

List Question

Multivariable Epsilon Delta Limit Proof

how to compute the vector derivative of this matrix equation

How can I evaluate this multivariate limit?

Checking the differentiability of the two variables function

Consistent with the name of the coordinates for $\mathbb R^3$?

Inequality $(w_1^{1/p}|x|)w_1^{1/q}+(w_2^{1/p}|y|)w_2^{1/q} \leq (w_1|x|^p+w_2|y|^p)^{1/p}(w_1+w_2)^{1/q}$?

Extension of Euler's Theorem for Homogeneous Functions

Find all the local extrema for $f(x,y)=x^3y^2+27xy+27y$

Proving global minima of function

Integrability of function in $\mathbb{R}^d$

Find all stationary points for $f(x,y,z)=(x+xy+yz)e^x.$

Horizontal plane for surface

Constant vector and differential geometry

If $u_x=0$ and $u_y = 0$ on a open, connected set. Then $u$ is a constant on the set.

Is there a non-degenerate solution for this PDE on $\mathbb{R}^3$?

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