Study of the Frost Resistance of HDFC Based on a Response Surface Model and GM (1,1) Model

Figure 10

Accuracy comparison between GM (1,1) model and response surface model. (a) HDFC6-1. (b) HDFC9-1.5. (c) HDFC9-2. (d) HDFC12-2.

(a)

(b)

(c)

(d)