{"coeffs": [-2.0686396115167623e-06, 7.206621815810777e-05, 0.41249807306042313, 0.1611971317591224], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0669965244302743e-07, 9.586331215665932e-07, 0.004053483118660626, 0.0027054917506793286], "covariance": [[4.272474632006834e-14, -1.47649520177806e-13, -5.102469497239555e-10, -4.962672304953534e-10], [-1.4764952017780619e-13, 9.189774617645106e-13, 3.792801887775847e-09, 2.4317778282469604e-09], [-5.102469497239562e-10, 3.792801887775849e-09, 1.6430725393266674e-05, 9.565068807832234e-06], [-4.962672304953536e-10, 2.4317778282469595e-09, 9.565068807832227e-06, 7.319685612993898e-06]]}