{"coeffs": [3.278641449450935e-07, 1.0389459549319684, 1.5738461522567084, 0.09552225390899968], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.104274994542885e-07, 3306.896367722574, 305.26768774186775, 0.009255889171526132], "covariance": [[9.636523241744228e-14, -0.0005467349692680402, -5.047465908836659e-05, -1.894823145665722e-09], [-0.0005467349699046435, 10935563.58685675, 1009488.6036606295, 29.236308583982893], [-5.0474659147851e-05, 1009488.6036605154, 93188.36117926647, 2.6989505637574394], [-1.89482314680021e-09, 29.236308572624452, 2.6989505627101043, 8.56714843555747e-05]]}