{"coeffs": [-1.7250756600482762e-07, 5.2070961764581415e-05, 0.4783757704301353, 0.11428188942224174], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.90359331675988e-08, 6.990500628479863e-07, 0.003291274128365809, 0.001556715373014447], "covariance": [[4.765960068321168e-15, -2.769573018414305e-14, -1.1270712144760401e-10, -7.954771219817103e-11], [-2.769573018414303e-14, 4.886709903677736e-13, 2.2709788279466704e-09, 9.982063052674992e-10], [-1.127071214476038e-10, 2.2709788279466704e-09, 1.0832485388050116e-05, 4.589569129731126e-06], [-7.954771219817098e-11, 9.982063052674994e-10, 4.589569129731128e-06, 2.423362752579509e-06]]}