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% <a href="matlab: edit rvar/vma">VMA</a>  VMA representation of VAR.
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% Syntax:
%   Phi = vma(w,nper)
% Output arugments:
%   Phi [ numeric ] VMA matrices.
% Required input arguments:
%   w [ svar ] RVAR model.
%   nper [ numeric ] Number of periods.
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% Nota bene:
%   This function is inherited from the RVAR class.
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% The IRIS Toolbox 2007/10/11. Copyright 2007 Jaromir Benes. <a href="http://www.iris-toolbox.com">www.iris-toolbox.com</a>
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