{"coeffs": [-1.4460711490112063e-06, 0.17400632369553562, 2.2444125384855376, 0.19376474377429828], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.981592578042433e-07, 78.17843374279005, 87.93205943324102, 0.015510927772317027], "covariance": [[1.585307945752259e-13, -2.575403621627615e-05, -2.8972911409812116e-05, -5.670613285581455e-09], [-2.5754036219753597e-05, 6111.867502475813, 6874.390261291501, 1.1776206188030245], [-2.8972911413599373e-05, 6874.390261290957, 7732.047076171032, 1.324655499510986], [-5.670613285966313e-09, 1.177620618737254, 1.324655499437319, 0.00024058888035803565]]}