{"coeffs": [-2.1355361452458795e-06, 0.00020828977811818058, 0.6169198319797395, 0.15803387200195104], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.116040433167651e-07, 1.5133342668605794e-05, 0.021134025986853287, 0.006675901875910539], "covariance": [[5.063803144647684e-13, -8.1473918520934e-12, -1.1273606330592619e-08, -4.180759492003725e-09], [-8.147391852093369e-12, 2.2901806032544474e-10, 3.1924473063550097e-07, 9.631016334149134e-08], [-1.1273606330592583e-08, 3.1924473063550097e-07, 0.00044664705441299, 0.00013505757271835397], [-4.180759492003717e-09, 9.631016334149146e-08, 0.00013505757271835414, 4.4567665856785855e-05]]}