function Y=window_ns(X,W,H), 
% window_ns - Window a sequnce of arrays in a given dimension (no strict size)
%
% window_ns :: seq [[N,M]] -> seq [[N]].
% window_ns :: seq [[N,M]], L:natural -> seq [[N,L]].
% window_ns :: seq [[N,M]], L:natural, natural ~'hop size' -> seq [[N,L]].

if nargin<2, W=1; H=1;
elseif nargin<3, H=W;
end

Y=seq.windower.make(X,W,H,'strict',0);
