{"coeffs": [1.540867178406018e-06, 1.1989680084346706, 2.1895585111094875, 0.1629097251715453], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.0912320450834314e-06, 3321.0317376611565, 453.06583404354427, 0.021458101719592473], "covariance": [[1.190787376216968e-12, -0.002778471163481148, -0.0003790775247263267, -2.047051658718618e-08], [-0.0027784711620115745, 11029251.80255268, 1504646.0035344868, 68.81322027626372], [-0.00037907752452813215, 1504646.0035346274, 205268.6499775724, 9.388020187000341], [-2.047051658145502e-08, 68.81322029085531, 9.388020188989808, 0.00046045012940837746]]}