{"coeffs": [-5.964260855039781e-06, 0.00011043226170399376, 0.3629380000811549, 0.17210386118372958], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9384320987837512e-06, 5.6947387141297344e-06, 0.01519053473346085, 0.013382694976772795], "covariance": [[3.757519001595178e-12, -8.529580648743016e-12, -1.5852941050496442e-08, -2.360080481796633e-08], [-8.529580648743016e-12, 3.243004902220798e-11, 8.151687679396508e-08, 7.157354489703697e-08], [-1.585294105049644e-08, 8.151687679396508e-08, 0.00023075234548848046, 0.00016344507333144244], [-2.360080481796633e-08, 7.157354489703697e-08, 0.00016344507333144244, 0.0001790965248413398]]}