{"coeffs": [-3.8131430953069693e-07, 0.20752356312547987, 1.7639603617479642, 0.1402760621211124], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.339094968826103e-07, 100.6363141381436, 68.54749677148622, 0.013691553321434872], "covariance": [[2.8505935086144204e-13, -3.78418221631192e-05, -2.578410707688345e-05, -6.0190701918545036e-09], [-3.784182215918614e-05, 10127.667723311122, 6898.366718580625, 1.3245644816955404], [-2.5784107074269172e-05, 6898.366718581061, 4698.759313636915, 0.9023310841707832], [-6.019070191535519e-09, 1.3245644817487119, 0.9023310842069582, 0.00018745863235369428]]}