{"coeffs": [-8.047070834346862e-08, 0.14792136529132152, 1.2015253980966212, 0.060009034865686255], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.2612906058917384e-08, 184.07551483234928, 74.91541631781158, 0.0030561500855616065], "covariance": [[5.113435204294225e-16, -1.5880193655807357e-06, -6.46372740110261e-07, -3.357250388101814e-11], [-1.5880193640375342e-06, 33883.79516079444, 13790.093740083492, 0.5393953848479419], [-6.463727394572002e-07, 13790.09374008492, 5612.319602071029, 0.21953151408006047], [-3.3572503862701335e-11, 0.5393953849946989, 0.21953151413983454, 9.340053345478214e-06]]}