user avatar
user avatar
user avatar
Arnaud Mégret
  • Member for 6 years, 3 months
  • Last seen this week
  • France
5 votes
1 answer
940 views

Extreme points of intersection of the orthant (quadrant) with an Hyperplane in finite dimension vectorial space

3 votes
0 answers
575 views

maximum of scalar product of 2 vectors under certain conditions

2 votes
1 answer
54 views

Adding a dependent random variable to a standard normal variable without changing its distribution

2 votes
0 answers
31 views

Endomorphism constructed by the product of a matrix with its transpose : question regarding restriction to subspaces

2 votes
2 answers
97 views

functional equation $f(xy)=\frac{f(x)f(y)}{f(1)}$

2 votes
0 answers
41 views

writing two integers $a \le b$ as products of $n$ integers $\prod{a_i}$ and $\prod{b_i}$ such that $a_i \le b_i$ with the greatest $n$

1 vote
0 answers
40 views

linear map transforming an orthogonal basis into an orthogonal basis

1 vote
1 answer
100 views

Does gradient depends on the choice of an orthonormal basis?

1 vote
1 answer
50 views

Integration problem : difference between two draws from an hyperbolic secant probability distribution

1 vote
1 answer
32 views

property of the joint probability of two discrete random variables

1 vote
1 answer
30 views

Convexity of a function over a vectorial space

0 votes
0 answers
62 views

Estimating the probability distribution of favorite movies

0 votes
0 answers
13 views

system of equations for the image of a linear map

0 votes
0 answers
76 views

Fast algorithm for orthogonal projection in $\mathbb{R}^m$ for large $m$

0 votes
0 answers
32 views

Maximal cardinality of a set of pairwise independent variables all dependent with another variable

0 votes
0 answers
439 views

maximizing a ratio of sums

-2 votes
1 answer
76 views

"product" of triangles