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Applied and theoretical statistics: e.g. statistical inference, regression, time series, multivariate analysis, data analysis, Markov chain Monte Carlo, design of experiments.
1
vote
How many zero-constraints can be added to a subspace-restricted matrix before no solution ex...
Just to clarify: are the $q$ entries $(i,j)$ fixed, or are they also chosen uniformly at random over all possible sets of q entries of an $n \times n$ matrix? (This is not so important though).
Assu …
1
vote
Sparse representation of a distribution with independent and correlated variables
As I answer I'm rephrasing and clarifying your question a little - please correct me if something is wrong.
Firstly, shouldn't your equation have an extra term of the form $\Delta(x,y)$ on the RHS, …