{"coeffs": [1.5498922385780885e-08, 0.34619211868039323, 1.4372908798640334, 0.08162275021628691], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.622094469605765e-08, 838.2714302016623, 198.35081759058266, 0.005819443441819349], "covariance": [[4.3852135164383264e-15, -2.6187086695302943e-05, -6.19689438707267e-06, -2.2870536826362382e-10], [-2.618708672578979e-05, 702698.9906923404, 166271.82290442247, 4.659213269264824], [-6.1968943941714154e-06, 166271.82290440597, 39343.0468388526, 1.1024876099227585], [-2.2870536840204593e-10, 4.659213267627383, 1.1024876095359712, 3.3865921972534236e-05]]}