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. 2016 Mar 7;11(3):e0148336. doi: 10.1371/journal.pone.0148336

Fig 2. A robust nonlinear least squares fitting with the least absolute residuals (LAR) method and the Levenberg-Marquardt algorithm (LMA) are used to obtain the RMSE values for the curve fitting with the Eq (2) for T = 296 K, performed on the rods in the data set I (a), and cones in the data set II (b).

Fig 2

The global minima are highlighted as green vertical lines where m = 49 is obtained for rods and m = 42 is obtained for cones.