A Nyström method with missing distances

no code implementations • 29 Nov 2023 • Samuel Lichtenberg, Abiy Tasissa

First, we establish a relationship between the columns of the anchor-mobile block in the distance matrix and the columns of the corresponding block in the Gram matrix via a graph Laplacian.

A dual basis approach to multidimensional scaling: spectral analysis and graph regularity

no code implementations • 10 Mar 2023 • Samuel Lichtenberg, Abiy Tasissa

A central result in CMDS connects the squared Euclidean matrix to a Gram matrix derived from the set of points.