Table 2. Comparison of Estimated Model Parameters for the WB Model with the Actual Model.

parameters	actual model parameters	estimated model parameters	absolute error	error (%)
K11	12.8	12.78	0.02	0.15
T11	16.7	16.65	0.05	0.29
θ11	1	1.04	0.04	4
K12	–18.9	–18.92	0.02	0.1
T12	21	21.04	0.04	0.19
θ12	3	2.97	0.03	1
K21	6.6	6.575	0.025	0.37
T21	10.9	10.75	0.15	1.37
θ21	7	7.18	0.18	2.57
K22	–19.4	–19.42	0.02	0.1
T22	14.4	14.45	0.05	0.34
θ22	3	2.97	0.03	1