{"coeffs": [-1.5989162767870203e-06, 4.348365582183215e-05, 0.43004200749576116, 0.17102864942103757], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5716642310497032e-07, 8.201825970649317e-07, 0.005959232266893245, 0.0037029326887710132], "covariance": [[2.470128455161055e-14, -9.913771375385499e-14, -6.214801082877954e-10, -5.242632473904767e-10], [-9.913771375385522e-14, 6.726994925281761e-13, 4.8085661786846385e-09, 2.8686760408702682e-09], [-6.214801082877971e-10, 4.80856617868464e-09, 3.5512449210781604e-05, 1.9776814713153713e-05], [-5.242632473904775e-10, 2.868676040870266e-09, 1.977681471315369e-05, 1.3711710497568926e-05]]}