{"coeffs": [-7.713258455229916e-07, 0.2996149522965997, 2.4782261301191313, 0.1970875513825932], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.677284794205248e-07, 733.3505657484076, 484.19634238739224, 0.03010534678707444], "covariance": [[2.187699304610363e-13, -0.0002856382846660771, -0.00018860789224332407, -1.2979152671429581e-08], [-0.00028563828483310307, 537803.0522835095, 355085.6582702606, 21.453562210188387], [-0.00018860789235563378, 355085.6582702097, 234446.09798132876, 14.165234661796214], [-1.2979152675365872e-08, 21.453562204738024, 14.165234658196107, 0.0009063319051700132]]}