{"coeffs": [1.611000208569657e-07, 2.033250526892376e-06, 0.5624197742192688, 0.09516747344776044], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.226008083842526e-08, 6.977080726412968e-07, 0.07958002692115074, 0.0394204128346609], "covariance": [[5.221519282775754e-15, -2.590973213324537e-14, -2.4172154835204337e-09, -1.9404537084399622e-09], [-2.5909732133245364e-14, 4.86796554628833e-13, 5.453232960378354e-08, 2.4994147062202747e-08], [-2.4172154835204337e-09, 5.4532329603783545e-08, 0.006332980684771075, 0.00276222729242227], [-1.940453708439963e-09, 2.4994147062202754e-08, 0.00276222729242227, 0.0015539689480550977]]}