{"coeffs": [-1.0950149885213357e-06, -1.4465946000246301e-08, -0.2520757804531324, 0.12623942860237466], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.6832082512434093e-07, 9.288782239220849e-08, 0.07717461521251494, 0.06518029978935895], "covariance": [[7.199606519540715e-14, -1.2919299041699377e-14, 1.806112118187592e-08, -1.5037083262895784e-08], [-1.2919299041699374e-14, 8.628147548766468e-15, -1.1308260105698006e-09, 4.432546021758813e-09], [1.806112118187592e-08, -1.130826010569801e-09, 0.005955921233199742, -0.003226087169222901], [-1.5037083262895784e-08, 4.432546021758814e-09, -0.003226087169222901, 0.004248471480630707]]}