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