guess_fwhm

sherpa.utils.guess_fwhm(y, x, xhi=None, scale=1000)[source] [edit on github]

Estimate the value and valid range for the FWHM of the data.

Parameters:
  • x (y,) – The data points.
  • xhi (None or array_like, optional) – If given then the x array is taken to be the low-edge of each bin.
  • scale (number, optional) – The scaling factor applied to the value to calculate the minimum (divide) and maximum (multiply) value for the FWHM range.
Returns:

ans – The keys are ‘val’, ‘min’, and ‘max’, which give the full-width half-maximum and its range.
Return type:

dict

See also

get_fwhm()

Notes

If there are multiple peaks of the same height then the first peak is used.