{"coeffs": [6.004755820508291e-07, 0.22957453815699366, 1.8609677879054456, 0.15240618623826738], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.3669032734273265e-06, 226.53505551914566, 151.87922752408042, 0.03146513754051929], "covariance": [[1.8684245589063405e-12, -0.0002290742110202369, -0.00015362937442591976, -3.668605526500424e-08], [-0.00022907421101009187, 51318.13137906241, 34405.96573171121, 6.86850096841673], [-0.0001536293744189994, 34405.965731712124, 23067.299753311385, 4.605525808030474], [-3.6686055264096194e-08, 6.868500968530751, 4.605525808106814, 0.0009900548804437966]]}