Table 3.

Data obtained by MATLAB fitting.

C	a0	a1	a2	SSE	R2
23.65	− 2.95 × 104	− 1.77 × 105	− 1.90 × 104	–	–
43.66	2.20 × 105	6.75 × 104	3.94 × 104	–	–
33.65	9.53 × 104	− 5.23 × 104	1.02 × 104	0.16	0.97