Fig. 7
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Optimization results after the convergence. (a) R2 = 0.9909, (b) R2 = 0.9868, (c) R2 = 0.9884, (d) R2 = 0.9903, (e) R2 = 0.9793, (f) R2 = 0.9862, (g) R2 = 0.9891, (h) R2 = 0.9237, (i) R2 = 0.9573, (j) R2 = 0.7844.