{"coeffs": [-1.6129224736543554e-07, 0.4579096683390185, 1.3165618511154369, 0.0633110351774304], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [1.2076496368440067e-07, 13108.97183075893, 1818.844436191744, 0.019922876259154204], "covariance": [[1.458417645369461e-14, -0.0006249352021003599, -8.671173948271988e-05, -1.2088780795068616e-09], [-0.0006249352022634336, 171845142.45963115, 23843180.464182522, 250.16523078679552], [-8.671173950622464e-05, 23843180.464182265, 3308195.0830656635, 34.71030216904727], [-1.2088780797443824e-09, 250.16523076326146, 34.710302165772035, 0.0003969209984375702]]}