{"coeffs": [-1.679647772624678e-06, 0.0002156734396357601, 0.6469218078888379, 0.1487368249243602], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.463294540203192e-07, 1.1255560271991609e-05, 0.013951094516987521, 0.0037331521185217727], "covariance": [[1.1994409072201238e-13, -2.8472425715738314e-12, -3.5404715106822224e-09, -1.1092151170203217e-09], [-2.8472425715738156e-12, 1.266876370364358e-10, 1.5676048967179619e-07, 4.00094452607751e-08], [-3.5404715106821988e-09, 1.5676048967179616e-07, 0.00019463303822191927, 5.0026366001643664e-05], [-1.109215117020318e-09, 4.0009445260775204e-08, 5.002636600164378e-05, 1.3936424740023599e-05]]}