{"coeffs": [-0.011435035578615074, 2.566075042007533e-06, -2.531708541844198, 0.3117532682123659], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.502315371122215, 9.476297802592051e-07, 151.169782345929, 0.15759671649021448], "covariance": [[30.275474443287802, -4.177415666182525e-06, 831.7826125701906, -0.8395931579680913], [-4.177415666172901e-06, 8.980022004341092e-13, -0.00011488739115930327, 1.344241780483986e-07], [831.7826125701881, -0.00011488739115962741, 22852.30309451555, -23.07694512488905], [-0.8395931579676672, 1.344241780485702e-07, -23.076945124877472, 0.02483672504849704]]}