Figure 2.
The curves of original, simulated and predicted values of (a) W1; (b) W2; (c) W3 and (d) W4.
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.