%PSI  Psi (polygamma) function for gpuArrays
%   Y = PSI(X)
%   Y = PSI(K,X)
%   
%   Example:
%    
%       N = 1000;
%       K = 1;
%       X = 10*rand(N, 'gpuArray');
%       psi(K,X)
%   
%   See also PSI, GPUARRAY/GAMMA, GPUARRAY.
%   


%   Copyright 2006-2014 The MathWorks, Inc.
