{"coeffs": [1.4157292125310014e-07, -3.643948847882041e-08, -0.3832922755321458, 0.001395210314035666], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [6.962767049850924e-08, 2.8378821553073093e-08, 82362.10969222142, 42556.23231490417], "covariance": [[4.848012499048974e-15, 7.403115201433058e-19, -0.0028813859020484856, 0.0014888026362736891], [7.403115240574316e-19, 8.053575127411659e-16, -1.7429402107434476e-06, 9.00537902702409e-07], [-0.0028813859018629313, -1.7429404890748535e-06, 6783517112.953514, -3505021074.0077615], [0.0014888026362788556, 9.005377849214561e-07, -3505021074.0077615, 1811032908.840094]]}