{"coeffs": [-1.1885902030006646e-06, 3.9729024926134573e-05, 0.3933131892087898, 0.15555639543282174], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2693024275907113e-07, 5.048914701071537e-07, 0.003753533613873891, 0.0027402437684891836], "covariance": [[1.6111286526876727e-14, -4.67850710213144e-14, -2.639552579179499e-10, -3.0611892272108845e-10], [-4.6785071021314384e-14, 2.5491539658696283e-13, 1.827333957142836e-09, 1.2891246175772075e-09], [-2.6395525791795e-10, 1.8273339571428367e-09, 1.408901459048119e-05, 8.656258300085281e-06], [-3.0611892272108845e-10, 1.2891246175772077e-09, 8.65625830008528e-06, 7.508935910743802e-06]]}