{"coeffs": [-1.203160367486898e-06, 0.2730937446720393, 1.8532872477033315, 0.15210361089351834], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.6272575524076682e-07, 25.541223845943374, 14.289535742404183, 0.0030436048551340687], "covariance": [[2.647967141867795e-14, -3.0713776221576424e-06, -1.7188910190542003e-06, -4.2213475863836913e-10], [-3.0713776220857323e-06, 652.3541155485865, 364.97219193483716, 0.07490365709075095], [-1.7188910190162386e-06, 364.9721919348432, 204.19083173344666, 0.04191168752832042], [-4.221347586343452e-10, 0.07490365709148228, 0.04191168752872884, 9.263530514195675e-06]]}