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Operations research, linear programming, control theory, systems theory, optimal control, game theory
2
votes
0
answers
170
views
Optimization with random matrix
Consider $J$ a random matrix of size $n\times n$ with i.i.d. Gaussian entries $J_{ij} \sim \mathcal{N}(0,\sigma^2/n)$. Let $f(x)=tanh(x)$, and for $x\in\mathbb{R}^n$, $f(x)$ denotes the vector where $ …
0
votes
0
answers
42
views
Optimization problem involving an entrywise function
Let $X$ a $n\times p$ real-valued matrix and $Y$ a $p\times q$ real-valued matrix. Let $\phi:\mathbb{R} \to \mathbb{R}$ a function. What is the appropriate way to deal with the following optimization …
7
votes
1
answer
417
views
Generalization of the equilateral triangle?
I consider points in the two-dimensional plane.
An equilateral triangle is a set of three points in the plane which are equidistant.
Suppose now I have $n$ points $x_1,...,x_n$. What is the configur …