{"coeffs": [-8.177194081109163e-06, 0.0003260420963653371, 0.8418746846355195, 0.27435385759036995], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1092119629932506e-06, 5.877522619507398e-05, 0.07759661189256321, 0.015246787865811552], "covariance": [[1.2303511788473404e-12, -5.871476763273447e-11, -7.835038828419323e-08, -1.6306087288550378e-08], [-5.871476763273633e-11, 3.454527214282111e-09, 4.558141304498397e-06, 8.769255306540872e-07], [-7.835038828419536e-08, 4.558141304498386e-06, 0.006021234177205083, 0.0011644803268431318], [-1.6306087288550606e-08, 8.769255306540742e-07, 0.0011644803268431173, 0.0002324645402250584]]}