pwtools.num.rms¶
- pwtools.num.rms(arr, nitems='all')[source]¶
RMS of all elements in a ndarray.
- Parameters:
arr (ndarray)
nitems ({'all', float}) – normalization constant, the sum of squares is divided by this number, set to unity for no normalization, if ‘all’ then use nitems = number of elements in the array
- Returns:
rms
- Return type:
scalar