{"coeffs": [-1.781919759347919e-08, 0.18430779318689436, 1.3115634319601706, 0.06916964862861896], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.483107918736398e-08, 477.48073203772566, 179.8706052468795, 0.005373563090941555], "covariance": [[1.2132040773564201e-15, -6.963816872306214e-06, -2.6235603823854447e-06, -9.953050972115431e-11], [-6.963816876740755e-06, 227987.8494672824, 85884.74793630911, 2.454345785990121], [-2.6235603841332366e-06, 85884.74793630444, 32353.43463187876, 0.9245952650053406], [-9.953050975514158e-11, 2.4543457855252266, 0.9245952648302542, 2.8875180292329362e-05]]}