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Meclassic
  • Member for 11 years, 4 months
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5 votes
3 answers
4k views

How to find the period of a periodic function?

3 votes
1 answer
2k views

How to "flip" and change the sign of one particular row of this matrix?

3 votes
0 answers
7k views

Geodesic on the surface of a cone (calculus of variations)

2 votes
0 answers
132 views

Interpretations of why the Riemann-Christoffel tensor vanishes in a Euclidean space (direct proof attempt)

1 vote
0 answers
37 views

Midpoint rule integration for a matrix-vector product

1 vote
1 answer
125 views

Curve shape prediction by changing configuration space (Cartesian to polar)

1 vote
0 answers
45 views

In search for references of exact or closed-form solutions of the spinning heavy symmetric top

0 votes
1 answer
52 views

Why is this matrix always symmetric?

0 votes
1 answer
45 views

Under which conditions is the sum of two symmetric and invertible matrices invertible?

0 votes
0 answers
20 views

Vector function that passes through 3 points on a surface

0 votes
0 answers
2k views

Calculate dot product without the use of angles

0 votes
1 answer
223 views

Is there a strictly positive function with strictly negative derivatives?

0 votes
0 answers
330 views

Are Jacobian matrices associated with Cartesian to spherical coordinates transformation inverses of each other?

0 votes
0 answers
30 views

Tensor calculus: problem with second order delta systems property

0 votes
1 answer
577 views

How to transform this matrix & swap its columns?

0 votes
1 answer
84 views

Handling more than three indices/super indices, tensorial calculus