{"coeffs": [-3.409302581404318e-07, 0.3477841931902428, 1.8608174563772872, 0.15002330822613016], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.894889548664898e-07, 129.63197706556699, 56.28067752775014, 0.010178115771256742], "covariance": [[3.474972279095864e-13, -5.602679668737318e-05, -2.4331285691305846e-05, -5.085318057190065e-09], [-5.602679668898679e-05, 16804.449477927687, 7295.774905731067, 1.2707988328074136], [-2.4331285691955625e-05, 7295.774905730963, 3167.5146629826, 0.5517886542012778], [-5.0853180572568995e-09, 1.2707988327950055, 0.55178865419596, 0.00010359404065310524]]}