{"coeffs": [-3.54224326819074e-07, 0.17394337707746238, 1.7560935622284841, 0.13792762031289565], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.85104694424166e-07, 64.62933533715704, 51.59074627624109, 0.009451707298082722], "covariance": [[8.128468678269708e-14, -1.2841087065315702e-05, -1.0253660315218856e-05, -2.2016085038519817e-09], [-1.2841087064412975e-05, 4176.950986122696, 3334.2753477089022, 0.5869728555245356], [-1.0253660314481445e-05, 3334.27534770905, 2661.605101339484, 0.468611081935112], [-2.2016085037710024e-09, 0.5869728555422957, 0.46861108194922624, 8.93347708486302e-05]]}