{"coeffs": [-4.449632678437479e-06, 8.342906341640578e-05, 0.49211778991728916, 0.20320843267539052], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.466501132186813e-07, 3.7292378796164745e-06, 0.015356286584227991, 0.009595413260278874], "covariance": [[5.574863915694696e-13, -2.3528853456638734e-12, -8.826018305689272e-09, -6.755914503465434e-09], [-2.352885345663887e-12, 1.390721516276638e-11, 5.668648803111195e-08, 3.4425018023786946e-08], [-8.826018305689328e-09, 5.6686488031112e-08, 0.0002358155376569406, 0.00013644442417721627], [-6.755914503465451e-09, 3.442501802378686e-08, 0.00013644442417721578, 9.207195563553564e-05]]}