List questions from partial-derivative

Published on 28 Mar 2026 - 5:22

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Existence of directional derivative

Published on 02 May 2019 - 17:36

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find the particular integral?

Published on 03 May 2019 - 9:02

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A question on the first derivative $\dfrac{\partial u}{\partial n} =0$ on $\partial\Omega$?

Published on 25 Mar 2026 - 7:59

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Proving that a function satisfies the wave equation (chain rule and iterated partial derivatives)

Published on 28 Mar 2026 - 15:26

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Partial derivatives with transformation matrix

Published on 25 Mar 2026 - 13:32

97

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Neumann derivative at a maximum point on the boundary

Published on 04 May 2019 - 17:12

76

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Is the following statement of differentiability theorem correct?

Published on 06 May 2019 - 15:33

29

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What does multivariable differentiability imply?

Published on 06 May 2019 - 18:17

194

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How to prove the limit exist?

Published on 07 May 2019 - 14:23

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Let $z=xy+f(\frac yx) $. Show $z$ satisfies the partial differential eq. $x\frac{\partial z}{\partial x}+y\frac{\partial z}{\partial y}=2xy$

Published on 08 May 2019 - 11:18

69

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Derivative of $\|\cdot\|^2_1$

Published on 08 May 2019 - 15:13

246

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Find extrema of three variable function with constraint

Published on 26 Mar 2026 - 16:03

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What will be the value of sub gradient at $0$ for function $|x|$

Published on 25 Mar 2026 - 7:41

173

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Show $u_{xx}$ satisfies the PDE $u_t+cu_x=0$

Published on 26 Mar 2026 - 16:05

List Question

How to compute the derivative of $\frac{\partial\mathbf{a}_k }{\partial{X}_{ij}}$ when $X = A^TB$

Existence of directional derivative

find the particular integral?

A question on the first derivative $\dfrac{\partial u}{\partial n} =0$ on $\partial\Omega$?

Proving that a function satisfies the wave equation (chain rule and iterated partial derivatives)

Partial derivatives with transformation matrix

Neumann derivative at a maximum point on the boundary

Is the following statement of differentiability theorem correct?

What does multivariable differentiability imply?

How to prove the limit exist?

Let $z=xy+f(\frac yx) $. Show $z$ satisfies the partial differential eq. $x\frac{\partial z}{\partial x}+y\frac{\partial z}{\partial y}=2xy$

Derivative of $\|\cdot\|^2_1$

Find extrema of three variable function with constraint

What will be the value of sub gradient at $0$ for function $|x|$

Show $u_{xx}$ satisfies the PDE $u_t+cu_x=0$

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