Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
P → A operation. Px is a matrix containing features for atom pairs ab, ac, ad, etc. The vi are intermediate values obtained by applying f to features for a given atom pair. Applying g to the intermediate representations for all atom pairs involving a given atom (e.g. a) results in a new atom feature vector for that atom
