{"coeffs": [-8.100383759034412e-08, 0.22981108705384354, 1.220538247677219, 0.05968471237339892], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.238562908399222e-08, 557.0914600770075, 144.98997311608494, 0.004076522298940644], "covariance": [[1.0488289711659225e-15, -6.859373488586489e-06, -1.7853905719800125e-06, -6.392122626941065e-11], [-6.859373491684349e-06, 310350.89489073196, 80772.67555783315, 2.1776322879673384], [-1.7853905727892015e-06, 80772.67555782992, 21022.092304203037, 0.5667693477128701], [-6.392122628332352e-11, 2.1776322876497844, 0.5667693476305264, 1.6618034053760316e-05]]}