{"coeffs": [-3.2792367533601996e-06, 1.1843447930175564, 2.3366304195623586, 0.19305982413451675], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.479888904405513e-06, 1916.8630371604454, 313.9033893961911, 0.033112127539842495], "covariance": [[1.2109626787004602e-11, -0.005511433692650769, -0.0009026612956784804, -1.057126192114636e-07], [-0.00551143369303465, 3674363.903231967, 601709.7894586169, 61.63217986101658], [-0.0009026612957405421, 601709.7894586031, 98535.33787441676, 10.09337055821449], [-1.0571261921543962e-07, 61.63217985944165, 10.09337055795919, 0.0010964129902147957]]}