{"coeffs": [-2.24595830029312e-07, 5.602565296028873e-09, -0.2961297164845024, 0.007001211932683185], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.8952429648160756e-08, 1.8135562581772493e-08, 0.03951521319793483, 0.05993685315584803], "covariance": [[8.382431825316979e-16, -1.41739313118839e-17, -5.64270539963055e-11, -2.0412966869302886e-10], [-1.4173931311883878e-17, 3.2889863015738656e-16, 1.822995967712971e-10, 2.611328355543265e-10], [-5.642705399630522e-11, 1.8229959677129705e-10, 0.0015614520740782427, 0.0022935229741251053], [-2.0412966869302858e-10, 2.6113283555432637e-10, 0.0022935229741251053, 0.0035924263662256892]]}