{"coeffs": [7.951204005682105e-09, 0.013451972592207082, 1.274735662475276, 0.07948749856460165], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.252201980090064e-08, 31.65402093115097, 186.3824328009302, 0.020225133235904646], "covariance": [[1.0576817719301734e-15, -4.55125143655915e-07, -2.680596771529042e-06, -3.689936086849539e-10], [-4.551251437091314e-07, 1001.9770411097438, 5899.753192122054, 0.6112085972038479], [-2.680596771853451e-06, 5899.753192121846, 34738.41125679326, 3.599182232372675], [-3.6899360871102677e-10, 0.6112085971800767, 3.5991822322337086, 0.0004090560144100947]]}