{"coeffs": [-6.133636594874532e-06, 0.0033723280641502302, 3.4435985211597027, 0.5671425499129178], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.386818960456311e-06, 0.14186329261533553, 24.99714497327825, 0.2025621717490105], "covariance": [[5.696904749993744e-12, -3.3116328596225326e-07, -5.839746555430727e-05, -4.80531705886196e-07], [-3.311632859483549e-07, 0.020125193791664317, 3.546153153480723, 0.02858584022050862], [-5.839746555190417e-05, 3.5461531534833513, 624.8572568150901, 5.03886567005612], [-4.80531705876176e-07, 0.028585840221097725, 5.03886567015619, 0.04103143342367563]]}