List questions from partial-derivative

Published on 24 Mar 2026 - 19:08

194

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Didn't understand a step in Einstein's paper on special relativity

Published on 22 Mar 2026 - 12:05

69

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Extremum of a function

Published on 22 Mar 2026 - 14:00

63

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D'Alembert's Solution

Published on 12 Feb 2018 - 17:30

53

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How to check there exists a function on given domain whose derivative is given function?

Published on 13 Feb 2018 - 4:33

26

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Determine z=z(x,y) given one of it's partial derivatives

Published on 13 Feb 2018 - 12:23

91

Views

Show that a given function satisfies a given equation

Published on 13 Feb 2018 - 14:34

738

Views

Understanding why $\nabla f$ points to greatest rate of change in a function, & why the derivative of $f(\mathbf r + \mathbf{\delta r})$ is $\nabla f$

Published on 13 Feb 2018 - 19:07

129

Views

Cross partial with implicit differentiation

Published on 20 Mar 2026 - 3:34

150

Views

Juxtaposing the limit definition of the partial derivative and single variable derivative

Published on 13 Feb 2018 - 20:59

132

Views

PDE with $\partial u/\partial y$ squared, $\partial u/ \partial x$ not squared.

Published on 14 Feb 2018 - 0:06

240

Views

Chain rule for equations of multiple variables

Published on 24 Mar 2026 - 23:44

124

Views

How do you find the first order partial derivatives of a function that contains another derivable function?

Published on 14 Feb 2018 - 18:56

726

Views

Verification of proof : Show that if $\phi (x,y)$ is harmonic, then $\phi_{x} - i\phi_{y}$ is analytic

Published on 14 Feb 2018 - 23:34

46

Views

Getting wave equations from system

Published on 24 Mar 2026 - 23:41

List Question

Partial derivative of metric tensor help

Didn't understand a step in Einstein's paper on special relativity

Extremum of a function

D'Alembert's Solution

How to check there exists a function on given domain whose derivative is given function?

Determine z=z(x,y) given one of it's partial derivatives

Show that a given function satisfies a given equation

Understanding why $\nabla f$ points to greatest rate of change in a function, & why the derivative of $f(\mathbf r + \mathbf{\delta r})$ is $\nabla f$

Cross partial with implicit differentiation

Juxtaposing the limit definition of the partial derivative and single variable derivative

PDE with $\partial u/\partial y$ squared, $\partial u/ \partial x$ not squared.

Chain rule for equations of multiple variables

How do you find the first order partial derivatives of a function that contains another derivable function?

Verification of proof : Show that if $\phi (x,y)$ is harmonic, then $\phi_{x} - i\phi_{y}$ is analytic

Getting wave equations from system

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