{"coeffs": [1.601824816430394e-08, 9.416335358289861e-07, 0.4890869701874964, 0.09031231922408031], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [9.673947644811869e-09, 3.809038574399355e-07, 0.06578421634875933, 0.016161977555605042], "covariance": [[9.358526303456111e-17, -2.891711928840606e-15, -5.021284516132457e-10, -1.3874214857982916e-10], [-2.8917119288405968e-15, 1.4508774861262273e-13, 2.5031835978512107e-08, 5.94199298745514e-09], [-5.021284516132447e-10, 2.503183597851211e-08, 0.004327563120620374, 0.0010329879578827516], [-1.3874214857982908e-10, 5.941992987455145e-09, 0.0010329879578827525, 0.0002612095185078811]]}