{"coeffs": [1.795917965387952e-08, 0.01676347827969197, 1.5184991759705861, 0.09886231303378215], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [2.8386098170712435e-08, 107.12294794954057, 634.7187311981669, 0.032503174833381575], "covariance": [[8.057705693573238e-16, -1.5889495985863065e-06, -9.416036957258144e-06, -5.995673622493895e-10], [-1.5889495984349077e-06, 11475.32597739998, 67992.9408823293, 3.323223009818162], [-9.41603695599817e-06, 67992.9408823305, 402867.8677338108, 19.691465987817516], [-5.99567362219194e-10, 3.323223009942613, 19.691465988565124, 0.0010564563742493694]]}