Search Results for author: Teodor Vanislavov Marinov

Found 4 papers, 1 papers with code

Efficient Convex Relaxations for Streaming PCA

1 code implementation NeurIPS 2019 Raman Arora, Teodor Vanislavov Marinov

We revisit two algorithms, matrix stochastic gradient (MSG) and $\ell_2$-regularized MSG (RMSG), that are instances of stochastic gradient descent (SGD) on a convex relaxation to principal component analysis (PCA).

Streaming Kernel PCA with \tilde{O}(\sqrt{n}) Random Features

no code implementations NeurIPS 2018 Md Enayat Ullah, Poorya Mianjy, Teodor Vanislavov Marinov, Raman Arora

We study the statistical and computational aspects of kernel principal component analysis using random Fourier features and show that under mild assumptions, $O(\sqrt{n} \log n)$ features suffices to achieve $O(1/\epsilon^2)$ sample complexity.

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