annotate toolboxes/FullBNT-1.0.7/Kalman/convert_to_lagged_form.m @ 0:cc4b1211e677 tip

initial commit to HG from Changeset: 646 (e263d8a21543) added further path and more save "camirversion.m"
author Daniel Wolff
date Fri, 19 Aug 2016 13:07:06 +0200
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Daniel@0 1 function yy = convert_to_lagged_form(y, k)
Daniel@0 2 % Create an observation vector yy(:,t) containing the last k values of y, newest first
Daniel@0 3 % e.g., k=2, y = (a1 a2 a3) yy = a2 a3
Daniel@0 4 % (b1 b2 b3) b2 b2
Daniel@0 5 % a1 a2
Daniel@0 6 % b1 b2
Daniel@0 7
Daniel@0 8 [s T] = size(y);
Daniel@0 9 bs = s*ones(1,k);
Daniel@0 10 yy = zeros(k*s, T-k+1);
Daniel@0 11 for i=1:k
Daniel@0 12 yy(block(i,bs), :) = y(:, k-i+1:end-i+1);
Daniel@0 13 end
Daniel@0 14