{"coeffs": [-1.4338903962795476e-06, 8.821570616464788e-05, 0.4167044872695879, 0.1285044862349806], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.342468047939064e-07, 1.2248259376651602e-06, 0.003753514559192373, 0.002391127882897511], "covariance": [[5.487156555615449e-14, -1.8251875435007713e-13, -4.2159602486875063e-10, -4.5246722245551813e-10], [-1.8251875435007728e-13, 1.500198577577339e-12, 4.453641356212683e-09, 2.6779134280092704e-09], [-4.21596024868751e-10, 4.453641356212682e-09, 1.4088871546069113e-05, 7.570861464100461e-06], [-4.524672224555183e-10, 2.6779134280092704e-09, 7.570861464100461e-06, 5.717492552369933e-06]]}