Question

Vector calculus: is the element of surface area equal to 1?

score 30 · Answer 1 · 2017-03-31 09:32:26

30

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Vector calculus: is the element of surface area equal to 1?

Published on 31 Mar 2017 - 9:32

score 1.3k · Answer 2 · 2026-03-26 22:14:01

1.3k

Views

Rotation matrix: "sum of squared elements along a row/column is unity: dot product of two different rows is zero"?

Published on 26 Mar 2026 - 22:14

score 35 · Answer 3 · 2026-03-29 20:09:41

35

Views

Does it make sense to take the grad of this?

Published on 29 Mar 2026 - 20:09

score 81 · Answer 4 · 2026-04-11 04:59:24

81

Views

partial derivate and integral equation

Published on 11 Apr 2026 - 4:59

score 816 · Answer 5 · 2017-04-02 19:59:16

816

Views

What is negative gradient (or whatever this symbol is)

Published on 02 Apr 2017 - 19:59

score 77 · Answer 6 · 2017-04-03 06:01:33

77

Views

What type of object is a map from 2D to 4D?

Published on 03 Apr 2017 - 6:01

score 147 · Answer 7 · 2026-04-11 00:30:49

147

Views

Finding two vectors in a tetrahedron

Published on 11 Apr 2026 - 0:30

score 32 · Answer 8 · 2026-03-26 11:17:59

32

Views

Determining $\bf g$ and potential $\phi$ of a planet of an infinite number of stratified spherical shells.

Published on 26 Mar 2026 - 11:17

score 348 · Answer 9 · 2026-04-02 12:24:25

348

Views

System of 5x5 non-linear equations from Lagrange multiplier problem

Published on 02 Apr 2026 - 12:24

score 1.3k · Answer 10 · 2017-04-04 00:49:39

1.3k

Views

When we take acceleration as $a=dv/dt=vdT/dt+dv/dtT$

Published on 04 Apr 2017 - 0:49

score 644 · Answer 11 · 2017-04-04 15:47:40

644

Views

Proof of this fairly obscure differentiation trick?

Published on 04 Apr 2017 - 15:47

score 3.9k · Answer 12 · 2017-04-04 16:54:59

3.9k

Views

If $\nabla u$, where u is a scalar function, =$2r^4 \vec r$, what is u and how to find it?

Published on 04 Apr 2017 - 16:54

score 55 · Answer 13 · 2017-04-05 03:59:18

55

Views

Computing line integrals when you know the curves

Published on 05 Apr 2017 - 3:59

score 114 · Answer 14 · 2026-03-26 19:17:01

114

Views

Show that x is the Arc-length Parameter for C

Published on 26 Mar 2026 - 19:17

score 53 · Answer 15 · 2026-04-04 20:28:03

53

Views

Gradient of $\text{tr}\left[(\bf{F}^T \bf{F})^{-1} \bf{S}\right]$ with respect to the columns of F?

Published on 04 Apr 2026 - 20:28

List Question

Vector calculus: is the element of surface area equal to 1?

Rotation matrix: "sum of squared elements along a row/column is unity: dot product of two different rows is zero"?

Does it make sense to take the grad of this?

partial derivate and integral equation

What is negative gradient (or whatever this symbol is)

What type of object is a map from 2D to 4D?

Finding two vectors in a tetrahedron

Determining $\bf g$ and potential $\phi$ of a planet of an infinite number of stratified spherical shells.

System of 5x5 non-linear equations from Lagrange multiplier problem

When we take acceleration as $a=dv/dt=vdT/dt+dv/dtT$

Proof of this fairly obscure differentiation trick?

If $\nabla u$, where u is a scalar function, =$2r^4 \vec r$, what is u and how to find it?

Computing line integrals when you know the curves

Show that x is the Arc-length Parameter for C

Gradient of $\text{tr}\left[(\bf{F}^T \bf{F})^{-1} \bf{S}\right]$ with respect to the columns of F?

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