{"coeffs": [-4.289430423142021e-08, 0.1998667265274439, 1.264021324435522, 0.06319409235214334], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [5.102448469240726e-08, 1091.7646444263087, 346.16458823935153, 0.008547084156713014], "covariance": [[2.6034980381257025e-15, -2.1945487347873023e-05, -6.958765675644466e-06, -2.1879172512927994e-10], [-2.1945487354250666e-05, 1191950.0388193044, 377930.25759499165, 8.937370327773891], [-6.958765677509602e-06, 377930.2575949857, 119829.92215091981, 2.8338236875987115], [-2.1879172515756902e-10, 8.93737032718883, 2.833823687417725, 7.30526475819346e-05]]}