{"coeffs": [7.581072321074289e-08, 0.6076427440266832, 1.546263943853949, 0.09209021953003013], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.2309857915484354e-07, 1563.0660800065941, 237.73075765521247, 0.0066859020365149045], "covariance": [[1.515326018994128e-14, -9.964453040334047e-05, -1.5156397304736672e-05, -5.29823372988326e-10], [-9.96445304118383e-05, 2443175.5704671806, 371588.8821407986, 9.981428459851903], [-1.5156397305822499e-05, 371588.88214079593, 56515.91313532137, 1.518140944655144], [-5.298233730261114e-10, 9.981428459578195, 1.5181409446139769, 4.4701286041874145e-05]]}