{"coeffs": [-2.644833870106796e-06, 0.00012571028601502684, 0.5368536099614968, 0.1581671246910388], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.115633209011302e-07, 5.816480773343587e-06, 0.013922459964152022, 0.0063457885874972295], "covariance": [[3.7400969547161884e-13, -2.6970256627192883e-12, -6.064434025545213e-09, -3.4447675845399525e-09], [-2.6970256627192887e-12, 3.383144858667561e-11, 8.055498863770557e-08, 3.4987570938836764e-08], [-6.064434025545206e-09, 8.055498863770554e-08, 0.0001938348914534159, 8.25007558178659e-05], [-3.4447675845399517e-09, 3.4987570938836764e-08, 8.250075581786591e-05, 4.026903279721008e-05]]}