view sequences/@seq/filter.m @ 6:0ce3c2070089

Removed duplicate code and fixed doc in timed_action.

function y=filter(a,b,x,z,dim)
% filter - filter for sequences of array
%
% filter :: [[P]], [[P]], seq [Size], [[P]], D:natural -> seq [Size].
% filter :: [[P]], [[P]], seq [Size], [[P]]  -> seq [Size].
% filter :: [[P]], [[P]], seq [Size]  -> seq [Size].
%
% filtering is done along Dth dimension of the array (default=1)

if nargin<5, 
	dim=find(size(x)>1,1);
	if isempty(dim), dim=1; end
	if nargin<4, z=[]; end
end

y = mapaccum(@(x1,z1)filter(a,b,x1,z1,dim),x,z);