{"coeffs": [-0.7198022698046491, 0.08423499377833822, -0.13153791687562985, 0.20714175781552802], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.5016695270683484e-07, 1.794074217560428e-07, 9.75928084086414e-08, 1.4588291929467777e-07], "covariance": [[0.15968105409447297, -0.0926555833055419, 0.04166027349252207, -0.0871755244149181], [-0.0926555833055419, 0.08212479983833643, -0.005612931359159711, 0.06289755295998484], [0.04166027349252206, -0.005612931359159711, 0.024301279783835315, -0.014949171717153018], [-0.0871755244149181, 0.06289755295998484, -0.014949171717153018, 0.05430032200009354]]}