{"coeffs": [-5.485066250770952e-06, 0.00033660802288899676, 0.765681537527195, 0.23453353622538323], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.436503998459469e-06, 7.136924827422313e-05, 0.080404526806462, 0.016640863357895077], "covariance": [[2.063543737590042e-12, -8.884890645731336e-11, -1.01331213239997e-07, -2.263531597671582e-08], [-8.884890645731189e-11, 5.093569599227702e-09, 5.734060164497098e-06, 1.1551165696097922e-06], [-1.0133121323999555e-07, 5.734060164497102e-06, 0.006464887930971067, 0.001310694889631995], [-2.263531597671565e-08, 1.155116569609799e-06, 0.001310694889632002, 0.000276918333296135]]}