{"coeffs": [-1.0591369197001307e-07, 1.0440696885858654e-10, -0.2861943571670525, 0.013562451755478178], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.0372631604521723e-08, 6.435831107351628e-09, 0.015433211211742083, 0.010986618535020252], "covariance": [[1.0759148640312289e-16, -1.0327498403984651e-18, 4.1203265572984134e-11, -2.2677350288260115e-11], [-1.0327498403984655e-18, 4.141992204235488e-17, 2.0297514939415008e-11, 1.3384254313931245e-11], [4.120326557298414e-11, 2.0297514939415008e-11, 0.00023818400830624153, 3.187618084904289e-05], [-2.267735028826011e-11, 1.3384254313931245e-11, 3.187618084904289e-05, 0.00012070578683405057]]}