{"coeffs": [-2.3582768281395911e-07, 0.3400734494553826, 1.7390725886991536, 0.13467180287914107], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.192054891882001e-07, 139.80540947796746, 55.73473194949044, 0.00944614109565965], "covariance": [[2.695743400031581e-13, -4.9812037530977075e-05, -1.9863940263329547e-05, -3.961380954647868e-09], [-4.981203752875059e-05, 19545.55251930215, 7792.016415127071, 1.268206534420486], [-1.986394026244957e-05, 7792.016415127233, 3106.36034548155, 0.5056402386588557], [-3.961380954549775e-09, 1.2682065344399338, 0.5056402386666102, 8.92295815991101e-05]]}