{"coeffs": [-5.723193053875192e-07, 0.27927146814851617, 1.8714792409694805, 0.14967803759632048], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.0108377420617973e-07, 53.28570640335463, 28.69515901678989, 0.00473096070840681], "covariance": [[4.0434684249001875e-14, -7.845071245500212e-06, -4.225788286927877e-06, -8.055599657596868e-10], [-7.845071246557831e-06, 2839.3665069045087, 1529.0417127590808, 0.24278351672243825], [-4.225788287478884e-06, 1529.0417127589767, 823.4121509988582, 0.1307561690788176], [-8.055599658141584e-10, 0.24278351670997503, 0.13075616907210943, 2.2381989224489064e-05]]}