{"coeffs": [-2.0391721366245665e-07, 0.30098667844029353, 1.7834653948796826, 0.14108772133013409], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.708276750217277e-07, 128.4195810981174, 60.61682226874152, 0.011062406071499973], "covariance": [[3.258442345707112e-13, -5.181389357241975e-05, -2.4464686621083573e-05, -5.213148141092175e-09], [-5.181389356676339e-05, 16491.58880941595, 7784.3862519156355, 1.3658910410903713], [-2.446468661831711e-05, 7784.386251916129, 3674.399141960198, 0.6448065489738031], [-5.2131481407842205e-09, 1.3658910411498586, 0.6448065490018814, 0.00012237682809075948]]}