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Ivan Kochurkin's user avatar
Ivan Kochurkin's user avatar
Ivan Kochurkin's user avatar
Ivan Kochurkin
  • Member for 11 years, 8 months
  • Last seen this week
43 votes
1 answer
31k views

Generalized rotation matrix in N dimensional space around N-2 unit vector

10 votes
3 answers
11k views

Best way to denote some trigonometric functions ("tg" vs "tan", "ctg" vs "cot")

6 votes
4 answers
8k views

Solid angle between vectors in n-dimensional space

6 votes
1 answer
2k views

Definite integral of tetration between $0$ and $1$

5 votes
3 answers
1k views

What is a geometric, physical or other meaning of the tetration?

1 vote
1 answer
853 views

Inverse rational numbers counting function

1 vote
0 answers
63 views

Triangular exponentation logarithm and inverse

1 vote
0 answers
731 views

Inverse function in multi-valued logic through the Webb function

0 votes
0 answers
57 views

Calculate $\lceil \frac{n}{log_2k} \rceil; n \geqslant 1, k \geqslant 2$ with only integer functions

0 votes
2 answers
121 views

Exponentation vs Power