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Questions where the notion matrix has an important or crucial role (for the latter, note the tag matrix-theory for potential use). Matrices appear in various parts of mathematics, and this tag is typically combined with other tags to make the general subject clear, such as an appropriate top-level tag ra.rings-and-algebras, co.combinatorics, etc. and other tags that might be applicable. There are also several more specialized tags concerning matrices.

5 votes

What is the time complexity of truncated SVD?

According to the man page of svds, provided by MATLAB, svds is currently based on "Augmented Lanczos Bidiagonalization Algorithm" when it comes to the top-$k$ SVD computation of a large-scale sparse m …
Daniele Tampieri's user avatar