List questions from vector-analysis

Published on 23 Oct 2016 - 6:44

58

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Change of variables w/jacobian

Published on 29 Mar 2026 - 3:36

89

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Vector/matrix derivative

Published on 03 Apr 2026 - 21:09

202

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Why did the authors write ${\rm grad}~\log \mu$ instead of ${\rm grad}~\mu^{-1}$?

Published on 25 Oct 2016 - 6:12

93

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Double integral. When the region of integration works bad with the function

Published on 25 Oct 2016 - 13:27

81

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Newton algorithm not finding minimum of $100(y-x^2)^2 + (1-x^2)$

Published on 25 Mar 2026 - 7:59

235

Views

How to parametrise an ellipse

Published on 25 Oct 2016 - 22:46

42

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How to prove that $\int \varphi \, d\ell=-\int \operatorname{grad}\varphi\wedge dS $.

Published on 25 Mar 2026 - 15:53

5.2k

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Can matrices do cross product with vectors?

Published on 27 Mar 2026 - 10:07

179

Views

What is the vector field associated with this ODE $\ddot{x}+p(t)\dot{x}+q(t)x=0$? What is the divergence of the vector field?

Published on 27 Oct 2016 - 2:30

122

Views

Compute $\vec\nabla^2 \frac{1}{\mid \vec x \mid}$

Published on 29 Mar 2026 - 14:57

45

Views

Cross product in distribution analysis

Published on 31 Mar 2026 - 16:11

29

Views

Surface integral and Stokes theorem

Published on 28 Oct 2016 - 21:18

114

Views

How to use a surface integral to derive the surface area of a cylinder?

Published on 29 Mar 2026 - 3:28

349

Views

Lipschitz Smoothness implying strong convexity

Published on 30 Oct 2016 - 9:54

List Question

Need help on calculating path integral

Change of variables w/jacobian

Vector/matrix derivative

Why did the authors write ${\rm grad}~\log \mu$ instead of ${\rm grad}~\mu^{-1}$?

Double integral. When the region of integration works bad with the function

Newton algorithm not finding minimum of $100(y-x^2)^2 + (1-x^2)$

How to parametrise an ellipse

How to prove that $\int \varphi \, d\ell=-\int \operatorname{grad}\varphi\wedge dS $.

Can matrices do cross product with vectors?

What is the vector field associated with this ODE $\ddot{x}+p(t)\dot{x}+q(t)x=0$? What is the divergence of the vector field?

Compute $\vec\nabla^2 \frac{1}{\mid \vec x \mid}$

Cross product in distribution analysis

Surface integral and Stokes theorem

How to use a surface integral to derive the surface area of a cylinder?

Lipschitz Smoothness implying strong convexity

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