{"coeffs": [-1.4749883687722308e-07, 0.00036983822453484313, 1.0809708121228394, 0.1481088673189349], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.297148541136864e-08, 0.00030754430667295947, 0.1365689846452959, 0.0029271891147974204], "covariance": [[5.276891420047223e-16, -4.969838385695306e-12, -2.237952748339749e-09, -5.5386156130197136e-11], [-4.969838385697017e-12, 9.458350056695133e-08, 4.199222839458729e-05, 8.646598757334818e-07], [-2.237952748340573e-09, 4.199222839458685e-05, 0.018651087567047066, 0.00038614099521997705], [-5.5386156130206364e-11, 8.646598757333537e-07, 0.0003861409952199243, 8.568436113788506e-06]]}