{"coeffs": [2.7927983985460743e-07, 0.3219122216031072, 1.9018168864202467, 0.16019679747418508], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.271470759557707e-06, 150.16042193940194, 75.33667747556974, 0.018180944430246006], "covariance": [[1.6166378924102522e-12, -0.00014511071153650102, -7.282761066372797e-05, -2.009052932346588e-08], [-0.00014511071154219563, 22548.152317019223, 11312.585830458038, 2.6347403796338713], [-7.282761066663264e-05, 11312.585830457701, 5675.614973058018, 1.3220512499797332], [-2.009052932386696e-08, 2.634740379591851, 1.322051249958652, 0.00033054674037569335]]}