{"coeffs": [-2.195098867941137e-06, 0.016074954333466174, 1.9822687327766897, 0.22669000570757192], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.717026981804578e-07, 0.9277425013997771, 13.339548786275609, 0.026524049951102482], "covariance": [[4.511845147429072e-13, -5.4255936673202e-07, -7.810965425441269e-06, -1.6844935042881472e-08], [-5.425593667186136e-07, 0.8607061489035155, 12.375626392184792, 0.024020785779425017], [-7.81096542524779e-06, 12.375626392186339, 177.94356182142707, 0.34557671313158245], [-1.6844935042673277e-08, 0.024020785779688206, 0.3455767131353234, 0.0007035252258085796]]}