{"coeffs": [-3.1361937770179236e-06, 7.392723968511087e-05, 0.4821290819894907, 0.17850432701390745], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.623446254454089e-07, 3.930747897798901e-06, 0.01688230784251565, 0.010468226802351063], "covariance": [[5.811693279455007e-13, -2.4114213211582834e-12, -9.18615098705106e-09, -7.355225385863273e-09], [-2.411421321158286e-12, 1.5450779036050482e-11, 6.549411986982924e-08, 3.920318316825434e-08], [-9.18615098705107e-09, 6.549411986982924e-08, 0.0002850123180894654, 0.00016089574085061096], [-7.3552253858632784e-09, 3.920318316825433e-08, 0.00016089574085061088, 0.00010958377238546116]]}