Table 3

Accuracy of the disambiguation by cubic splines for an estimation of left derivatives corresponding to different choices of α.

Estimate of stem weightsEstimate of the right derivatives
(Tr1)(Tr2)(Tr3)
α=0(P1)94.005%94.04%92.27%
 (P2)91.07%92.16%91.05%
α=0.25(P1)93.97%94.01%92.16%
 (P2)90.78%92.13%90.75%
α=0.5(P1)93.83%93.99%92.11%
 (P2)90.72%92.10%90.71%
α=0.75(P1)93.81%93.93%92.06%
 (P2)90.70%92.07%90.68%

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