{"coeffs": [-5.011592615580421e-07, 0.18425733821422474, 1.775954609386299, 0.15063484880580327], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.913850396369402e-07, 39.25595473839116, 32.323902688960786, 0.010612202895298182], "covariance": [[3.4973626510638537e-13, -1.706246014990438e-05, -1.4056076140175786e-05, -5.328483327161435e-09], [-1.7062460149972298e-05, 1541.0299824226154, 1268.9053692239079, 0.40129273304484286], [-1.4056076140225735e-05, 1268.9053692238997, 1044.8346850454063, 0.33049234646980713], [-5.328483327169327e-09, 0.4012927330438026, 0.33049234646897185, 0.00011261885029097513]]}