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iCAPs/packages/gspbox/filters/gsp_filter_evaluate.m
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gsp_filter_evaluate.m
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function fd = gsp_filter_evaluate(filter, x)
%GSP_FILTER_EVALUATE Evaluate the filterbank
% Usage: fd = gsp_filter_evaluate(filter, x)
%
% Input parameters:
% filter : cell array of filter
% x : data
% Output parameters:
% fd : response of the filters
%
% This function apply all the filters in filter to the data x. Every
% filter correspond to one column of the matrix fd.
%
% See also: gsp_filter_analysis
%
%
% Url: http://lts2research.epfl.ch/gsp/doc/filters/gsp_filter_evaluate.php
% Copyright (C) 2013-2016 Nathanael Perraudin, Johan Paratte, David I Shuman.
% This file is part of GSPbox version 0.7.0
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program. If not, see <http://www.gnu.org/licenses/>.
% If you use this toolbox please kindly cite
% N. Perraudin, J. Paratte, D. Shuman, V. Kalofolias, P. Vandergheynst,
% and D. K. Hammond. GSPBOX: A toolbox for signal processing on graphs.
% ArXiv e-prints, Aug. 2014.
% http://arxiv.org/abs/1408.5781
% Author: Nathanael Perraudin
% Date: 18 March 2014
if ~iscell(filter)
filter = {filter};
end
Nf=numel(filter);
fd=zeros(length(x),Nf);
for k=1:Nf
fd(:,k)=filter{k}(x);
end
end
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