{"coeffs": [-4.89936413340446e-06, 0.037414349182655404, 3.1966927562377982, 0.37135886511662064], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.9889091451186805e-06, 9.262938131358766, 93.01248319134974, 0.09205825518137911], "covariance": [[3.95575958753672e-12, -1.7496928110349926e-05, -0.00017574673612809276, -1.8018817379841386e-07], [-1.7496928107835614e-05, 85.80202282538022, 861.5684687238873, 0.8431938123501521], [-0.0001757467361030124, 861.5684687242662, 8651.322029421119, 8.46805019095477], [-1.8018817378543125e-07, 0.8431938124076068, 8.46805019152797, 0.008474722347039915]]}