{"coeffs": [-1.0691021533411643e-06, 0.00019977249748380984, 0.7070611445233956, 0.16000744555735222], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.5452330011530504e-07, 2.4603919163135525e-05, 0.03334385595549347, 0.007125378248010547], "covariance": [[2.0659143034770764e-13, -8.505684906341185e-12, -1.1704675891093892e-08, -2.8435149687817605e-09], [-8.505684906341107e-12, 6.053528381861076e-10, 8.192722070723613e-07, 1.6796328758917128e-07], [-1.1704675891093787e-08, 8.192722070723618e-07, 0.0011118127299806972, 0.00023010110020975437], [-2.8435149687817448e-09, 1.6796328758917194e-07, 0.00023010110020975512, 5.077101517722185e-05]]}