{"coeffs": [-4.802758640357957e-06, 0.00010481860993729918, 0.423380139996749, 0.1878591980259259], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.086895272644455e-06, 1.4237721960479805e-05, 0.04485937855088419, 0.029715736643714345], "covariance": [[9.528922424274686e-12, -3.5332061112991854e-11, -9.645360162507524e-08, -8.459251701694367e-08], [-3.5332061112991854e-11, 2.0271272662392892e-10, 6.278834776335064e-07, 4.0263167143678914e-07], [-9.645360162507522e-08, 6.278834776335064e-07, 0.0020123638439715286, 0.0011988497943849151], [-8.459251701694364e-08, 4.026316714367891e-07, 0.001198849794384915, 0.0008830250042785875]]}