{"coeffs": [-2.2579551604181427e-06, 0.35616479683979396, 2.168072050340435, 0.19369352047748536], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.0103437645283934e-06, 91.69083022959727, 50.15276270927243, 0.013005398993242876], "covariance": [[1.0207945225214055e-12, -7.663855151326569e-05, -4.1931221134710555e-05, -1.206428604714362e-08], [-7.663855150518402e-05, 8407.20834819283, 4598.547897337212, 1.1580389291665718], [-4.193122113021531e-05, 4598.547897337619, 2515.299607372587, 0.633496717648014], [-1.2064286046509358e-08, 1.1580389292181033, 0.633496717676106, 0.00016914040297344283]]}