Structured low-rank approximation (SLRA) is a mathematical framework that seeks to approximate a given data matrix by another matrix of lower rank while preserving intrinsic structural properties.
https://doi.org/10.4169/amer.math.monthly.124.4.353 https://www.jstor.org/stable/10.4169/amer.math.monthly.124.4.353 Every binomial coefficient aficionado1 knows that ...