{"coeffs": [-1.7134339833827754e-06, 0.26725841119641747, 2.142769519354364, 0.18099560433587528], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.7428956140084134e-07, 108.5394164774659, 74.19031717335164, 0.012376926778299836], "covariance": [[2.2495058805380245e-13, -4.144858698700799e-05, -2.8337392016686955e-05, -5.299750849656976e-09], [-4.144858698338721e-05, 11780.804929268797, 8052.573253768948, 1.3016463390705182], [-2.8337392014182244e-05, 8052.573253769359, 5504.203162282515, 0.8897970834799621], [-5.299750849447366e-09, 1.301646339119433, 0.8897970835133237, 0.00015318831647539554]]}