function res=polyvalVec(aMat,x)
% Evaluate polynomial value
%
% FUNCTION polyvalVec
%
% Author: Rui Yao <ruiyao@ieee.org>
%
% Copyright (C) 2021, UChicago Argonne, LLC. All rights reserved.
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% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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if ~isempty(aMat)
    if size(x,1)>size(x,2)
        x=x.'; % Change it to row vector
    end
    
    res=repmat(aMat(:,1),1,length(x));
    xAug=repmat(x,size(aMat,1),1);
    
    for i=2:size(aMat,2)
        res=repmat(aMat(:,i),1,length(x))+res.*xAug;
    end
else
    res=zeros(0,length(x));
end

end