List questions from vector-analysis

Published on 27 Mar 2026 - 16:27

45

Views

By picking a different parameterization the normal vector is not always defined. Why?

Published on 10 Jun 2019 - 23:36

110

Views

How to calculate the gradient of $\sum_{i=1}^N \sum_{j=N+1}^{N+M} h_i h_j (\phi_i^T \phi_j)$?

Published on 28 Mar 2026 - 15:21

1k

Views

Intuition on the direction of steepest ascent always being orthogonal to the level set of the function

Published on 29 Mar 2026 - 20:16

62

Views

How do I calculate the following surface area?

Published on 12 Jun 2019 - 21:13

35

Views

How to verify if a vector in three space lies on another vector?

Published on 27 Mar 2026 - 16:26

39

Views

Analysis of Vector process

Published on 30 Mar 2026 - 12:18

100

Views

Need help with a simple example where it's not clear that the gradient is in direction of "steepest ascent"

Published on 28 Mar 2026 - 22:31

1.2k

Views

Functional Relationship Between Epsilon and Delta

Published on 27 Mar 2026 - 6:51

65

Views

If $\bar f(y) = f(Ty)$, how is $\nabla \bar f(y) = T^T \nabla f(Ty)$?

Published on 16 Jun 2019 - 15:51

235

Views

How can I find the derivative of $L_1$ norm?

Published on 25 Mar 2026 - 23:22

24

Views

Doubt with chain rule in calculating the torsion

Published on 26 Mar 2026 - 10:46

213

Views

Gradient descent methods

Published on 26 Mar 2026 - 17:57

63

Views

Re-writing Div and Grad with Differential Operators

Published on 19 Jun 2019 - 13:48

203

Views

Vorticity equation of axi symmetric flow with swirl

Published on 26 Mar 2026 - 19:03

List Question

Vector that is tangent to the surface but normal to the boundary

By picking a different parameterization the normal vector is not always defined. Why?

How to calculate the gradient of $\sum_{i=1}^N \sum_{j=N+1}^{N+M} h_i h_j (\phi_i^T \phi_j)$?

Intuition on the direction of steepest ascent always being orthogonal to the level set of the function

How do I calculate the following surface area?

How to verify if a vector in three space lies on another vector?

Analysis of Vector process

Need help with a simple example where it's not clear that the gradient is in direction of "steepest ascent"

Functional Relationship Between Epsilon and Delta

If $\bar f(y) = f(Ty)$, how is $\nabla \bar f(y) = T^T \nabla f(Ty)$?

How can I find the derivative of $L_1$ norm?

Doubt with chain rule in calculating the torsion

Gradient descent methods

Re-writing Div and Grad with Differential Operators

Vorticity equation of axi symmetric flow with swirl

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