{"coeffs": [-5.713064342992588e-07, 5.115374590008061e-05, 0.5228669290459668, 0.1372587397552376], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0677293762326408e-07, 3.1135953716832028e-06, 0.016449364332500365, 0.006289485939948008], "covariance": [[4.275504773335426e-14, -4.3030046689090835e-13, -2.164250688885098e-09, -1.0607260678110255e-09], [-4.3030046689090835e-13, 9.694476138567062e-12, 5.09835369661474e-08, 1.8363587116834135e-08], [-2.1642506888850993e-09, 5.09835369661474e-08, 0.0002705815869433351, 9.669105200813555e-05], [-1.0607260678110261e-09, 1.836358711683414e-08, 9.669105200813559e-05, 3.955763338880369e-05]]}