{"coeffs": [-1.4912189386869811e-05, 0.00018445563931428707, 0.8183224147744133, 0.3703935524310604], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.6991638069012976e-06, 5.416245211379613e-05, 0.17053054528883102, 0.056698807101525486], "covariance": [[1.3683812870288502e-11, -1.902650182093313e-10, -5.987999307404892e-07, -2.066141562588248e-07], [-1.902650182093313e-10, 2.9335712189792586e-09, 9.235165171759947e-06, 3.0338352717908846e-06], [-5.987999307404886e-07, 9.235165171759947e-06, 0.029080666876506046, 0.009555183596094924], [-2.0661415625882472e-07, 3.033835271790885e-06, 0.009555183596094925, 0.003214754726735997]]}