{"coeffs": [-4.79293624077234e-07, 8.343127536200641e-05, 0.7037772046666505, 0.0609658322001772], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.315776527230864e-07, 0.00024648433016005765, 0.26157878240937904, 0.027959724044839613], "covariance": [[1.8625927032996898e-13, -3.9908858261292385e-11, -4.394639648066453e-08, -5.859903206865352e-09], [-3.990885826129339e-11, 6.07545250144523e-08, 6.438179957997429e-05, 6.550178882371876e-06], [-4.394639648066505e-08, 6.438179957997423e-05, 0.06842345940677327, 0.007055914209720677], [-5.859903206865404e-09, 6.550178882371845e-06, 0.00705591420972065, 0.0007817461686635824]]}