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.
v in the initial junction of the following module will be mapped to vx at the terminal junction of its preceding module. In the same way, u at the terminal junction of each module will be mapped to ux at the initial junction of its following module. vx and ux are auxiliary variables.
