{"coeffs": [-6.108736860447965e-07, -9.254522273181525e-09, -0.26580553329241663, 0.07852682705331605], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.148370092834548e-08, 2.054567497922516e-08, 0.022910987235153207, 0.01948278976014049], "covariance": [[2.650571461279321e-15, -2.927453821743401e-16, 8.830398326644452e-10, -7.409116528632237e-10], [-2.927453821743401e-16, 4.2212476035195875e-16, 5.437100353902671e-11, 2.0151174059838673e-10], [8.83039832664445e-10, 5.437100353902671e-11, 0.0005249133360893532, -0.00020108698207184356], [-7.409116528632237e-10, 2.0151174059838675e-10, -0.00020108698207184358, 0.00037957909683783507]]}