{"coeffs": [-0.5939696431722368, 4.074785384724648, 20.87651822466136, 11.14702369174665], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.0251132244121306, 45.63103553572477, 168.4940286217467, 32.664320023324066], "covariance": [[244543590.33234182, -10884322744.37895, -40191264692.37615, -7791969554.827246], [-10884322744.37895, 484544045645.86316, 1789193128746.221, 346845207721.671], [-40191264692.37615, 1789193128746.2207, 6606655178793.576, 1280745423657.2341], [-7791969554.827246, 346845207721.67096, 1280745423657.2341, 248290358508.73502]]}