{"coeffs": [-9.784560743515804e-07, 0.25310251196406053, 2.222017947164514, 0.1895659851177069], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.570650322094511e-07, 129.15938383869172, 97.63814406870567, 0.015955538091142005], "covariance": [[3.1032145011051673e-13, -5.903487776387725e-05, -4.4636036048183906e-05, -8.119612438442049e-09], [-5.903487774918099e-05, 16682.1464335905, 12610.881835957534, 1.9998819885842598], [-4.463603603705241e-05, 12610.881835959302, 9533.207177181324, 1.5119367404075357], [-8.119612437422468e-09, 1.9998819887953498, 1.5119367405668913, 0.0002545791957778835]]}