{"coeffs": [-0.10824587074497018, 0.18395713274120076, -2608.5242980646085, 6348.54800559042], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [6.747030467047602, 9.798524555027184, 147526.708303665, 415752.1908446312], "covariance": [[30540977615956.86, -42843572899166.5, -4.73486244968724e+17, -1.8440216963457923e+18], [-42843572899166.5, 64413806268583.64, 8.411586364652241e+17, 2.728059948572795e+18], [-4.73486244968724e+17, 8.411586364652241e+17, 1.4601547876100328e+22, 3.4383710181105875e+22], [-1.844021696345792e+18, 2.728059948572795e+18, 3.438371018110587e+22, 1.1596493397620673e+23]]}