{"coeffs": [-1.6311382758931882e-06, 0.0001945163892628612, 0.6982201519571299, 0.158022953608486], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.0326209301228817e-07, 1.5357832265988798e-05, 0.021230587237076354, 0.0046739889227011295], "covariance": [[9.196789705819373e-14, -3.5193086339475197e-12, -4.934755632565048e-09, -1.2397164149476355e-09], [-3.5193086339475104e-12, 2.358630119102466e-10, 3.256007379120492e-07, 6.871374537239326e-08], [-4.934755632565042e-09, 3.256007379120492e-07, 0.00045073783443110943, 9.601129250851014e-05], [-1.2397164149476343e-09, 6.871374537239325e-08, 9.601129250851013e-05, 2.1846172449532868e-05]]}