% -*- texinfo -*-
% @deftypefn {Function File} @var{y} = upsample(@var{x},@var{n})
% Upsample the signal, inserting n-1 zeros between every element.
% If @var{x} is a matrix, upsample every column.
%
% @deftypefnx {Function File} @var{y} = upsample(@var{x},@var{n},@var{offset})
% Control the position of the inserted sample in the block of n zeros.
% @end deftypefn
% @seealso{decimate, downsample, interp, resample, upfirdn}