{"coeffs": [5.093880917409814e-08, 0.028713089409624568, 1.4465899414466628, 0.10767678595174737], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.740876225569558e-08, 11.401372054378134, 42.84095787237219, 0.009279991072141473], "covariance": [[3.2957659837309774e-15, -3.6581087145685e-07, -1.375181561656741e-06, -3.662545961440139e-10], [-3.6581087145805726e-07, 129.9912847223547, 488.44563380599544, 0.10105140800914501], [-1.3751815616641102e-06, 488.44563380599425, 1835.3476714223689, 0.3797644786529843], [-3.662545961446761e-10, 0.10105140800900747, 0.37976447865244917, 8.611823429902546e-05]]}