{"coeffs": [-1.6086068875760928e-08, 0.3796230593916432, 1.7766750625246348, 0.13919553595063341], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.937694537027607e-07, 154.03484709044113, 56.85438214331987, 0.009707876893765843], "covariance": [[3.5256216415047483e-13, -6.410630318602895e-05, -2.366853965191064e-05, -4.729360386622722e-09], [-6.41063031887024e-05, 23726.734118175584, 8757.55538240604, 1.4372363073728802], [-2.3668539653039308e-05, 8757.555382405832, 3232.420768898649, 0.5305448600356895], [-4.729360386734419e-09, 1.4372363073480754, 0.5305448600265606, 9.424287378451275e-05]]}