{"coeffs": [-1.546086133736604e-05, 0.0002043066698748683, 0.7571118746011194, 0.3553673101502113], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.5932736321348913e-06, 5.5220532879931055e-05, 0.1522186123623845, 0.04982355345130127], "covariance": [[1.2911615395395875e-11, -1.86420252549939e-10, -5.13721171881879e-07, -1.7571794300906388e-07], [-1.8642025254993108e-10, 3.0493072515435468e-09, 8.40408554807931e-06, 2.7117454384969603e-06], [-5.137211718818572e-07, 8.404085548079308e-06, 0.02317050594952987, 0.007479532105832028], [-1.7571794300906e-07, 2.711745438497011e-06, 0.007479532105832169, 0.0024823864785146746]]}