{"coeffs": [-4.5881438569824233e-07, 0.19017842764844736, 2.0243562652982687, 0.16911429694320979], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.066088587452644e-07, 102.50389981749123, 91.73841278835314, 0.016627595341326885], "covariance": [[2.566525357591792e-13, -4.054905373082479e-05, -3.6299252214249634e-05, -7.455307167444558e-09], [-4.05490537297684e-05, 10507.049477794279, 9403.544380313411, 1.6477478339801215], [-3.6299252213250535e-05, 9403.54438031356, 8415.936380926276, 1.4748423889406712], [-7.45530716733954e-09, 1.6477478339982905, 1.4748423889568354, 0.0002764769268349155]]}