{"coeffs": [-1.6508344777928765e-07, -4.1223262132005734e-10, -0.3290363247405608, 0.033484883416883], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.261074653308886e-08, 2.2278340070296517e-08, 0.05677544467302956, 0.048761000837317665], "covariance": [[2.7678906507689212e-15, -1.0422006316391252e-16, 1.6201754033261843e-09, -1.335104800719864e-09], [-1.0422006316391247e-16, 4.963244362877794e-16, 2.393995586089032e-10, 2.833439183169612e-10], [1.620175403326184e-09, 2.3939955860890314e-10, 0.00322345111782024, -0.0006381867411149731], [-1.335104800719864e-09, 2.8334391831696126e-10, -0.0006381867411149729, 0.0023776352026568938]]}