{"coeffs": [-2.644138429306724e-06, 0.0003661812567217734, 0.7587754474410325, 0.17145393658370656], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.07065525785755e-07, 5.531629717186522e-05, 0.041714574828302174, 0.007565520979019816], "covariance": [[4.999416577546863e-13, -3.078080274430162e-11, -2.3655546929634093e-08, -4.7914008820166874e-09], [-3.0780802744301393e-11, 3.059892732806104e-09, 2.3047008731490492e-06, 4.0272812317851323e-07], [-2.3655546929633947e-08, 2.3047008731490497e-06, 0.0017401057531060212, 0.0003070181843512619], [-4.791400882016663e-09, 4.0272812317851413e-07, 0.0003070181843512626, 5.723710768398895e-05]]}