{"coeffs": [-1.925646643400793e-06, 0.00012935563533620769, 0.5280813300267614, 0.14491987280130117], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.780192203454415e-07, 4.507682553939409e-06, 0.009895749708475947, 0.004596541361028215], "covariance": [[2.2850237501966376e-13, -1.5528289778842324e-12, -3.1477433868705133e-09, -1.8930246026823854e-09], [-1.552828977884234e-12, 2.0319202007089715e-11, 4.429965159901136e-08, 1.949716041820134e-08], [-3.147743386870517e-09, 4.4299651599011355e-08, 9.792586229280179e-05, 4.203797775499718e-05], [-1.8930246026823862e-09, 1.9497160418201323e-08, 4.203797775499716e-05, 2.1128192483643118e-05]]}