{"coeffs": [-4.42092512964524e-07, 1.3844529789964636e-08, -0.10407275567208264, 0.0749536730008313], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.1980813231518014e-08, 3.977880523088674e-08, 0.03564282565977233, 0.03279751665142895], "covariance": [[1.7623886795795981e-15, -3.936379404720244e-16, 6.71583147739549e-10, -7.977866023352808e-10], [-3.9363794047202444e-16, 1.582353345596822e-15, 5.844618193570276e-10, 7.349729889769961e-10], [6.715831477395489e-10, 5.844618193570277e-10, 0.0012704110210129246, -3.0415982656270837e-05], [-7.977866023352808e-10, 7.349729889769961e-10, -3.0415982656270837e-05, 0.0010756770985007591]]}