{"coeffs": [2.1596503774930328e-07, 0.3379811664931135, 1.6131440568360709, 0.11803169871325744], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.972461572428613e-07, 379.6174582370417, 133.37951777921253, 0.019887357963440967], "covariance": [[9.944998981356534e-13, -0.00023698003311684734, -8.328842430576167e-05, -1.4928346912901512e-08], [-0.0002369800330838214, 144109.4145983521, 50633.19015832311, 7.228939575475081], [-8.328842429352157e-05, 50633.19015832624, 17790.095763015273, 2.5401836874164867], [-1.492834691180686e-08, 7.228939575843934, 2.540183687546883, 0.0003955070067660388]]}