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Cryo's user avatar
Cryo's user avatar
Cryo
  • Member for 5 years, 11 months
  • Last seen this week
  • UK
9 votes

Justifying the "Physicist's method" for ODEs using differential forms

5 votes
Accepted

Invariance of volume form under coordinate transformations

4 votes

Sphere's surface area element using differential forms

2 votes
Accepted

Proof that $\frac{d}{dt} \log |A(t)| = \text{Tr}\left[A(t)^{-1} \frac{d}{dt} A \right]$

2 votes
Accepted

How do I find the bounds for an integral between a plane and a sphere?

2 votes

What object exactly is $\frac{d \bar{z}}{dz}$?

2 votes
Accepted

Understanding the proof of non-additivity of outer measure

1 vote

permutation of indices in tensor notation

1 vote

How to Compute the Rotation Matrix?

1 vote

How to calculate the Rotation Matrix from other known values?

1 vote
Accepted

Levi-Civta symbol question

1 vote
Accepted

Interesting properties of Green's function

1 vote

Why doesn't ds appear in the statement of Green's Theorem?

0 votes

Orthogonal 3D rotational matrices

0 votes

Prove that $\int_S\left(d\vec\sigma\times \vec\nabla\right)\times \vec P=\int_{\partial S}d\vec r\times \vec P~.$

0 votes

Eigenvalues of a 3x3 orthogonal matrix

0 votes

Jacobian Matrix and dot product question

0 votes

Why do we generally don't expand a determinant diagonally? Why do we generally expand a determinant either row wise or column wise?

0 votes
Accepted

How to find the tangent hyperplane in $n$-dimensions?

0 votes

Action of a 1-form on the push-forward and pull-back of a vector