{"coeffs": [3.924574795846266e-07, 1.0159500100165522, 1.5945156457542482, 0.09824291773968674], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.7865396730856427e-07, 3454.2548744321616, 335.4583274749435, 0.01088702356023348], "covariance": [[1.4337882695851524e-13, -0.0007121758468384901, -6.916866891058622e-05, -2.7695450464505216e-09], [-0.0007121758468259642, 11931876.737538349, 1158758.5575293, 35.92786582398154], [-6.916866890977796e-05, 1158758.557529304, 112532.28947228643, 3.489220956750431], [-2.7695450463908214e-09, 35.92786582434861, 3.489220956784707, 0.00011852728200107887]]}