{"coeffs": [9.757791581706323e-08, 6.640247414238728e-06, 0.4617398117696525, 0.06192725084197547], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.5731005737431095e-08, 8.75115049534297e-08, 0.0028326250323531636, 0.0024251228894654575], "covariance": [[1.2767047710083338e-15, -8.791549194288275e-16, 1.2072197383969746e-11, -4.413066932028349e-11], [-8.791549194288272e-16, 7.658263499214152e-15, 1.8443511778673624e-10, 1.5691425574376406e-10], [1.207219738396975e-11, 1.8443511778673624e-10, 8.02376457391376e-06, 3.0519300254948455e-06], [-4.413066932028347e-11, 1.5691425574376406e-10, 3.051930025494846e-06, 5.88122102900929e-06]]}