Function: peven
PEVEN   Even part of periodic function
  Usage:  fe=peven(f);
          fe=peven(f,dim);

  PEVEN(f) returns the even part of the periodic sequence f.

  PEVEN(f,dim) does the same along dimension dim.

Url: http://ltfat.github.io/doc/fourier/peven.html

See also: podd, dft, involute, pconv.

Package: ltfat