{"coeffs": [-1.960220620572118e-06, 6.355617833704871e-05, 0.45656337397589414, 0.16047326468739062], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.876142195410711e-07, 1.271943947246951e-06, 0.005924837854312308, 0.004051160216509686], "covariance": [[8.272193928221947e-14, -2.8007599469654773e-13, -1.0748298006504004e-09, -1.0493049158672027e-09], [-2.8007599469654823e-13, 1.6178414049381547e-12, 7.35764821143667e-09, 4.8542571852417025e-09], [-1.074829800650402e-09, 7.357648211436672e-09, 3.510370359989207e-05, 2.102030476036789e-05], [-1.0493049158672033e-09, 4.854257185241699e-09, 2.1020304760367874e-05, 1.6411899099830804e-05]]}