List questions from partial-derivative

Published on 17 Apr 2026 - 4:01

201

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

Published on 29 Apr 2026 - 12:18

77

Views

Extremum of a function

Published on 30 Apr 2026 - 15:47

68

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D'Alembert's Solution

Published on 10 May 2026 - 14:39

56

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

Published on 28 Mar 2026 - 17:44

29

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

Published on 11 Apr 2026 - 23:51

94

Views

Show that a given function satisfies a given equation

Published on 13 Apr 2026 - 14:10

741

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 Apr 2026 - 20:07

134

Views

Cross partial with implicit differentiation

Published on 17 Apr 2026 - 21:57

153

Views

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

Published on 28 Mar 2026 - 20:56

135

Views

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

Published on 11 Apr 2026 - 7:57

242

Views

Chain rule for equations of multiple variables

Published on 11 Apr 2026 - 22:45

126

Views

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

Published on 31 Mar 2026 - 12:29

729

Views

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

Published on 16 Apr 2026 - 5:45

51

Views

Getting wave equations from system

Published on 10 May 2026 - 12:29

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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