{"coeffs": [-0.00239137576603242, 5.3507076807605024e-09, -1.9972444988249114, 0.17225292915185192], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.2533326766465365, 4.112815853470058e-08, 306.7229144151721, 0.07584030251469347], "covariance": [[18.09083885822919, -3.450093157997371e-08, 1304.5922809237481, -0.15141236629214563], [-3.450093157757578e-08, 1.6915254244554638e-15, -2.504526828333338e-06, 2.2648321667489307e-09], [1304.5922809236952, -2.504526828542643e-06, 94078.94622733699, -10.957500213257987], [-0.15141236628599086, 2.2648321667559737e-09, -10.9575002128146, 0.005751751485520221]]}