{"coeffs": [-1.1252724396834498e-06, 0.00044953086262697665, 0.9481525814438768, 0.1582993999865573], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9327906283162866e-06, 0.001796756296454632, 0.8133277319436022, 0.05485376960369894], "covariance": [[3.735679612907265e-12, -2.623422633522793e-09, -1.214574998705811e-06, -9.19813553070345e-08], [-2.623422633522774e-09, 3.228333188849365e-06, 0.0014602398054441373, 9.491178181826484e-05], [-1.2145749987058206e-06, 0.001460239805444137, 0.6615019995485241, 0.043389811401124655], [-9.19813553070345e-08, 9.491178181826483e-05, 0.043389811401124655, 0.003008936039735686]]}