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.
Qualitative map in parameter space (qD, N) of the region of best performance for the three different algorithms to compute Debye sums. The numbers in the graph indicate the optimal maximum level of the octree for the hierarchical algorithm.
