{"coeffs": [-0.19694406450691143, -1.4272721253974168e-07, 0.4197449999493854, 0.0035437552565367927], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3760353.8285197495, 1.7360566058153419e-07, 70354.50481791409, 2256.033441662384], "covariance": [[14140260915663.137, 0.0, 308960631386.37256, -5011822919.678071], [-7.067287651401801e-09, 3.013892538595085e-14, -1.4439655435249682e-10, 4.2462730999179585e-12], [187070636701.94052, -7.479405774213777e-10, 4949756348.173897, -145557609.22861344], [6190723882.67528, 2.3373143044418052e-11, 56012565.54760906, 5089686.889899022]]}