{"coeffs": [-1.0804867685440524e-06, 6.77437938192813e-05, 0.4179119534340678, 0.12548906730623816], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.0579967350388797e-07, 1.6237032186899433e-06, 0.0063899332840966485, 0.004047951433215307], "covariance": [[9.351344031508448e-14, -3.0963505686988595e-13, -9.104393447508827e-10, -9.871543597285886e-10], [-3.096350568698858e-13, 2.6364121423840816e-12, 1.0043751461006816e-08, 5.993583965908789e-09], [-9.10439344750882e-10, 1.0043751461006814e-08, 4.083124737520618e-05, 2.1756256848398856e-05], [-9.871543597285886e-10, 5.993583965908792e-09, 2.175625684839887e-05, 1.6385910805669854e-05]]}