{"coeffs": [-2.5198401898423045e-05, 0.0419550824625105, 3.2827656879770624, 0.45644689845454245], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.203120000693934e-06, 2.9464323693027805, 32.71284264129071, 0.10532079455689781], "covariance": [[5.188493774439698e-11, -2.0509508488680923e-05, -0.00022783424214009983, -7.511576624397708e-07], [-2.0509508488160764e-05, 8.681463706875196, 96.38595187833415, 0.30790317650927645], [-0.00022783424213438578, 96.38595187835448, 1070.1300736738478, 3.4194251111727185], [-7.511576624302052e-07, 0.30790317651303456, 3.419425111213722, 0.011092469766096277]]}