{"coeffs": [8.152889673222304e-08, 4.997574887128339e-06, 0.4891578461539521, 0.06282087022913217], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.16362160010763e-08, 1.319643976045564e-07, 0.005266016848295668, 0.004237498785879661], "covariance": [[1.733574482888282e-15, -1.6319174777689181e-15, 6.8911840409148734e-12, -8.906513014917379e-11], [-1.631917477768918e-15, 1.7414602235133457e-14, 5.675658622235665e-10, 4.355191416887444e-10], [6.891184040914901e-12, 5.675658622235664e-10, 2.773093344653384e-05, 1.2430885580788746e-05], [-8.906513014917379e-11, 4.355191416887444e-10, 1.2430885580788747e-05, 1.7956395960331603e-05]]}