{"coeffs": [1.4945835695030427e-08, 2.1959542669776347e-07, 0.9229192398136186, 0.09767843626661585], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.645240418743371e-09, 2.4509134006674988e-08, 0.026149252432878297, 0.013130064013811109], "covariance": [[6.997296872953603e-18, -3.417494673517833e-17, -2.9805821477856866e-11, -2.4144414954076244e-11], [-3.417494673517833e-17, 6.006976497571523e-16, 6.292725596516836e-10, 2.9273960371067664e-10], [-2.9805821477856866e-11, 6.292725596516836e-10, 0.0006837834027983915, 0.00030200485614998357], [-2.4144414954076247e-11, 2.927396037106767e-10, 0.00030200485614998357, 0.0001723985810067775]]}