{"coeffs": [6.069169027684712e-08, 0.19098744866952289, 2.0132539601336106, 0.0782662691210428], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.3817009975943654e-08, 37366.71800414029, 15343.726452822133, 0.031875391260932584], "covariance": [[1.9090976467532644e-16, -0.00024804095977593027, -0.00010185262773102952, -2.59860317645584e-10], [-0.00024804095661442194, 1396271614.4009418, 573344699.4810946, 1147.7795783065988], [-0.00010185262635051319, 573344699.481145, 235429941.4590337, 471.3084559108868], [-2.598603158057744e-10, 1147.7795823006868, 471.30845755512695, 0.0010160405680375373]]}