{"coeffs": [-0.05382241394545984, 2.1514156531101738e-08, -1.8680172350381266, 0.12284727414072566], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.950285848739046, 4.194238433816186e-08, 18.1634909132912, 0.027072953448881738], "covariance": [[63.207045076660336, -1.1957462622118018e-07, 144.38543176039994, -0.014569250268143982], [-1.1957462622212891e-07, 1.759163603970085e-15, -2.7997694965074375e-07, 6.641137440568868e-10], [144.3854317604123, -2.7997694964838466e-07, 329.91240215721194, -0.04133904844241351], [-0.014569250269260392, 6.641137440587565e-10, -0.04133904844495823, 0.0007329448084453177]]}