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Meclassic
  • Member for 9 years, 5 months
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5 votes
3 answers
3k 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?

2 votes
0 answers
6k views

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

2 votes
0 answers
68 views

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

1 vote
1 answer
96 views

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

0 votes
0 answers
865 views

Calculate dot product without the use of angles

0 votes
1 answer
161 views

Is there a strictly positive function with strictly negative derivatives?

0 votes
0 answers
107 views

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

0 votes
0 answers
17 views

Tensor calculus: problem with second order delta systems property

0 votes
1 answer
378 views

How to transform this matrix & swap its columns?

0 votes
1 answer
75 views

Handling more than three indices/super indices, tensorial calculus