{"coeffs": [-6.702186034701735e-08, 0.3238023506295352, 1.3887400023297445, 0.07707857511960756], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.697376407487152e-08, 571.9012788703436, 136.5556007068738, 0.004166849588609619], "covariance": [[2.2065345113616902e-15, -1.2144202858693804e-05, -2.8999931946913422e-06, -1.1178223380745047e-10], [-1.2144202864015712e-05, 327071.0727735345, 78096.32236161652, 2.2767850979275526], [-2.8999931960440026e-06, 78096.3223616135, 18647.432084415155, 0.5436540355872886], [-1.1178223383485074e-10, 2.276785097624813, 0.5436540355146741, 1.736263549409615e-05]]}