{"coeffs": [-3.494493509696077e-05, 0.000994580018118323, 5.319762419833159, 1.6080334003674033], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [0.0004618374611046812, 0.23633424134187153, 471.97137830670823, 32.86945790276821], "covariance": [[2.1329384047961788e-07, -0.00010884491033587307, -0.2174523281132775, -0.01516967586828038], [-0.00010884491035260945, 0.05585387363063798, 111.54139530354571, 7.762813624776746], [-0.21745232814429358, 111.5413953023101, 222756.98194073388, 15505.595456759274], [-0.015169675869444432, 7.762813624180435, 15505.59545574016, 1080.4012628218516]]}