List questions from partial-derivative

Published on 30 Jan 2019 - 22:08

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gradient of f at (1,1) from directional derivatives and vectors

Published on 31 Jan 2019 - 17:03

462

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Proof Inviscid Burgers equation is hyperbolic

Published on 31 Jan 2019 - 18:06

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Solution to simple linear 2nd order partial differential equation with boundary conditions

Published on 26 Mar 2026 - 6:25

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Notation doubt: Is $\nabla f(x(u,v), y(u,v))$ the same as $\nabla f(u, v)$?

Published on 01 Feb 2019 - 3:35

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Continuity of partial derivatives at (0,0)

Published on 01 Feb 2019 - 19:13

803

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Partial derivatives are 0 iff the function is constant

Published on 01 Feb 2019 - 19:35

156

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Gradient is orthogonal to the circle

Published on 29 Mar 2026 - 17:33

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Laplacian of the Euclidean Norm

Published on 03 Feb 2019 - 9:33

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If $f(x,y) = g(r)$, where $r=(x^2+y^2)^{1/2}$, prove $\frac{\partial^2f}{\partial x^2} + \frac{\partial^2f}{\partial y^2} = \frac 1r g'(r)+ g''(r).$

Published on 03 Feb 2019 - 15:01

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Second order differential for change of variable?

Published on 03 Feb 2019 - 22:00

107

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Geometric interpretation of partial derivatives

Published on 05 Feb 2019 - 22:47

198

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How does partial derivative make sense here?

Published on 06 Feb 2019 - 5:51

38

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Partial derivatives and normal derivative combined in the chain rule

Published on 25 Mar 2026 - 23:08

74

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Partial Derivative Being Treated As Full Derivative

Published on 25 Mar 2026 - 23:09

List Question

Partial Derivatives of Multi-Variable Functions

gradient of f at (1,1) from directional derivatives and vectors

Proof Inviscid Burgers equation is hyperbolic

Solution to simple linear 2nd order partial differential equation with boundary conditions

Notation doubt: Is $\nabla f(x(u,v), y(u,v))$ the same as $\nabla f(u, v)$?

Continuity of partial derivatives at (0,0)

Partial derivatives are 0 iff the function is constant

Gradient is orthogonal to the circle

Laplacian of the Euclidean Norm

If $f(x,y) = g(r)$, where $r=(x^2+y^2)^{1/2}$, prove $\frac{\partial^2f}{\partial x^2} + \frac{\partial^2f}{\partial y^2} = \frac 1r g'(r)+ g''(r).$

Second order differential for change of variable?

Geometric interpretation of partial derivatives

How does partial derivative make sense here?

Partial derivatives and normal derivative combined in the chain rule

Partial Derivative Being Treated As Full Derivative

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