List questions from partial-derivative

Published on 10 Apr 2026 - 18:56

36

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Find the field line to the vector field

Published on 31 Mar 2023 - 20:33

77

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What is the gradient $\nabla F$ of $F(\vec{x}) = {\lVert A \vec{x} - b \rVert}_2^2$ with $A \in \mathbb{R}^{n \times d}$

Published on 02 Apr 2026 - 0:10

35

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Level curves of $f(x,y) : f_x < 0, f_y > 0$

Published on 03 Apr 2023 - 6:53

56

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Chain rule and partial derivatives in PDE problem

Published on 11 Apr 2026 - 0:38

69

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Directional derivative and derivative of $f\left(\boldsymbol{X}\right)=\left\langle \boldsymbol{A},\log\left(\boldsymbol{X}\right)\right\rangle$

Published on 05 Apr 2026 - 18:29

18

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I can't get the answer right to this first-order condition derivative

Published on 30 Mar 2026 - 12:25

46

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Continuity of $f_{xy}$ and existence of $f_{yx}$ implies continuity of $f_{yx}$? Partial derivatives

Published on 06 Apr 2023 - 11:23

44

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Another derivative of an integral question.

Published on 26 Mar 2026 - 9:40

90

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Solving a linear PDE of second order with constant coefficients

Published on 11 Apr 2026 - 16:34

116

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How would I approach this?

Published on 12 Apr 2026 - 0:35

83

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Find the solution to partial derivatives of $f(x, y; a, b, c)$ = $a$ $exp(2x)$ + $by^2$ + $cxy$

Published on 13 Apr 2026 - 0:31

51

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Leibniz rule for cumulative normal distribution

Published on 13 Apr 2026 - 7:25

146

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Apostol: Why exactly is $\frac{1}{2}\sqrt{\frac{y}{x}}$ not defined at origin if the partial derivative of $\sqrt{|xy|}$ exists at origin?

Published on 11 Apr 2023 - 23:46

98

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How to write a differential equation using polar coordinates?

Published on 11 Apr 2026 - 23:58

List Question

Derivate in Implicit function theorem

Find the field line to the vector field

What is the gradient $\nabla F$ of $F(\vec{x}) = {\lVert A \vec{x} - b \rVert}_2^2$ with $A \in \mathbb{R}^{n \times d}$

Level curves of $f(x,y) : f_x < 0, f_y > 0$

Chain rule and partial derivatives in PDE problem

Directional derivative and derivative of $f\left(\boldsymbol{X}\right)=\left\langle \boldsymbol{A},\log\left(\boldsymbol{X}\right)\right\rangle$

I can't get the answer right to this first-order condition derivative

Continuity of $f_{xy}$ and existence of $f_{yx}$ implies continuity of $f_{yx}$? Partial derivatives

Another derivative of an integral question.

Solving a linear PDE of second order with constant coefficients

How would I approach this?

Find the solution to partial derivatives of $f(x, y; a, b, c)$ = $a$ $exp(2x)$ + $by^2$ + $cxy$

Leibniz rule for cumulative normal distribution

Apostol: Why exactly is $\frac{1}{2}\sqrt{\frac{y}{x}}$ not defined at origin if the partial derivative of $\sqrt{|xy|}$ exists at origin?

How to write a differential equation using polar coordinates?

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