{"coeffs": [-1.1695106149826113e-07, 0.00016073680220380433, 0.9302455129469605, 0.13850148610524846], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.960515851002306e-08, 0.00010675840424005901, 0.1109818475249222, 0.004994795274454702], "covariance": [[1.568568580604052e-15, -2.8455938163112484e-12, -3.0266819255334557e-09, -1.5787683492291777e-10], [-2.8455938163114612e-12, 1.1397356875883851e-08, 1.184147911545746e-05, 5.107664350323743e-07], [-3.0266819255336576e-09, 1.1841479115457419e-05, 0.012316970480045078, 0.0005359684260365073], [-1.5787683492292514e-10, 5.107664350323591e-07, 0.0005359684260364936, 2.494797983371502e-05]]}