{"coeffs": [1.623375899104044e-07, 1.2615946034008434e-06, 0.52644683526619, 0.08293448514977167], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.2403623067925563e-08, 3.0461204106980813e-07, 0.05682605092124571, 0.0359001650595305], "covariance": [[2.74613971064522e-15, -6.97983426196052e-15, -7.639012794014751e-10, -1.1686286199926304e-09], [-6.979834261960522e-15, 9.278849556471449e-14, 1.6407166978881612e-08, 9.560741413938565e-09], [-7.639012794014749e-10, 1.6407166978881612e-08, 0.00322920006330401, 0.0016154720837225469], [-1.1686286199926306e-09, 9.560741413938565e-09, 0.0016154720837225473, 0.0012888218513015346]]}