{"coeffs": [-3.4097688905131386e-07, 0.38094139652906006, 2.6696882815893823, 0.21208742013341025], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.541260715999199e-07, 1925.5285558311784, 1080.309696620513, 0.054852207399156624], "covariance": [[7.295313461867114e-13, -0.0014040179363726181, -0.0007877640958082226, -4.381513298552596e-08], [-0.0014040179360696658, 3707660.219321304, 2080167.1574335427, 102.88213842124753], [-0.0007877640956409762, 2080167.157433629, 1167069.040612305, 57.72306205826495], [-4.381513298048573e-08, 102.88213843035572, 57.72306206337424, 0.003008764656560093]]}