{"coeffs": [-5.863004036168189e-07, 0.24974396985356498, 1.8059827620522424, 0.146227874093532], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.795435515651255e-07, 111.64227518053224, 65.86097360000751, 0.013894044859202847], "covariance": [[4.617794384737443e-13, -5.480302957790816e-05, -3.234057317155306e-05, -7.918241726311884e-09], [-5.48030295900956e-05, 12463.997607485686, 7352.868140444434, 1.4928996240759418], [-3.234057317874866e-05, 7352.8681404433755, 4337.667843540886, 0.8808197126009587], [-7.91824172721876e-09, 1.4928996239457732, 0.8808197125243062, 0.0001930444825495411]]}