{"coeffs": [-9.043523446059823e-07, 0.34368497252981245, 2.0898615313386593, 0.1683081605791518], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.3530184530523372e-06, 650.3825109198317, 320.13692842012216, 0.03772481820324356], "covariance": [[1.83065893430014e-12, -0.0006855701419134953, -0.0003375141025459123, -4.510605132284119e-08], [-0.0006855701421354394, 422997.41051038506, 208211.45212904213, 23.716463597834082], [-0.0003375141026537275, 208211.4521290152, 102487.65293827042, 11.67473714340307], [-4.510605132993472e-08, 23.716463594733344, 11.67473714187874, 0.0014231619084677765]]}