{"coeffs": [2.352318857647515e-08, 1.918588567218616e-07, 0.5227157053146636, 0.08317449841973279], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.4594539715960616e-08, 5.514601720543258e-08, 0.09359354692411642, 0.10087455727786027], "covariance": [[2.9805637667976008e-15, -1.4595170751694436e-15, 2.1687210834047873e-09, -4.2538293046871906e-09], [-1.4595170751694428e-15, 3.041083213621866e-15, 2.250433850722053e-09, 4.305309543309992e-09], [2.168721083404789e-09, 2.2504338507220518e-09, 0.008759752025836781, 6.947609919233663e-05], [-4.25382930468719e-09, 4.305309543309993e-09, 6.947609919233949e-05, 0.01017567630600431]]}