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.
The curve represents the mean value over 100 samples. Each sample represents 10,000 cumulative snapshots of simulations. The vertical bars along the curve represent the standard deviation.
