{"coeffs": [-3.5921580699132895e-06, 6.145000573959576e-05, 0.4329471449350909, 0.16177654119986254], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.395302851681022e-06, 1.3297571860565471e-05, 0.06474603795733282, 0.03909505028155874], "covariance": [[5.737475751271236e-12, -2.376915180907879e-11, -9.928738516484802e-08, -8.294531317796278e-08], [-2.3769151809078796e-11, 1.7682541738690263e-10, 8.469148696252532e-07, 4.887084917710506e-07], [-9.928738516484807e-08, 8.469148696252529e-07, 0.004192049431172382, 0.002260824232611131], [-8.294531317796279e-08, 4.887084917710504e-07, 0.0022608242326111316, 0.0015284229565176062]]}