{"coeffs": [-8.196013275924458e-07, 0.21884651615422923, 1.8824030454192842, 0.15488752575319553], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.104989128722451e-07, 84.80616415443919, 60.438200526380065, 0.012439113868172483], "covariance": [[2.606091400437441e-13, -3.231445092910114e-05, -2.3036302520840963e-05, -5.450428954343598e-09], [-3.231445092689576e-05, 7192.085478589685, 5125.531444957179, 1.0170080240362458], [-2.303630251922316e-05, 5125.531444957409, 3652.7760828669275, 0.7248727328619771], [-5.450428954160525e-09, 1.0170080240644053, 0.7248727328820216, 0.000154731553825361]]}