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In probability and statistics, a probability distribution assigns a probability to each measurable subset of the possible outcomes of a random experiment, survey, or procedure of statistical inference.

1 vote
1 answer
978 views

Entropy of probability distributions on a sphere

I have a family of probability distributions on the $n$-dimensional sphere $\mathbb S^n \subset \mathbb R^{n+1}$ defined in the following way: $D_0$ is the uniform distribution, which is constructed …
Alfred's user avatar
  • 899
1 vote
1 answer
237 views

Probability of two Points being divided by an high-Dimensional Hyperplane

I have two points $x_1,x_2 \in \mathbb S^n $ which are distant $d$ from each other, where $d<<1$. I also have a vector $v$ sampled uniformly at random from $\mathbb S^n$. What is the probability that …
Alfred's user avatar
  • 899
1 vote
1 answer
168 views

Expected norm of linear maps

I want to compute the expected norm of a vector-matrix multiplication. I have a vector $x \in \mathbb{R}^n$ with norm one and a matrix $M \in \mathbb{R}^{n \times n}$, whose entries are iid taken from …
Alfred's user avatar
  • 899
5 votes
1 answer
3k views

Eigenvalues and eigenvectors of Gaussian random matrices

Let us assume we have a square matrix $A$ whose entries are sampled from a standard Gaussian distribution of mean $0$. Do we have any information about the distribution of its eigenvalues? Particula …
Alfred's user avatar
  • 899